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Chapter 8: i
Chapter 8: VHF (136-174 MHz) 25-45W Bipolar Service Information Table of Contents
Section 1 Model Charts and Technical Specifications
1.0 VHF (136-174 MHz) 25-45W Bipolar Model Charts .........................................8:1-1 1.1 CDM Series Model Chart ............................................................................8:1-1 1.2 PRO Series Model Chart.............................................................................8:1-2 2.0 Technical Specifications ...................................................................................8:1-2
Section 2
Theory of Operation
1.0 Introduction .......................................................................................................8:2-1 2.0 VHF (136-174 MHz) 25-45W Bipolar Receiver Front-End................................8:2-1 2.1 Receiver Front-End .....................................................................................8:2-1 2.2 Front-End Bandpass Filters and Pre-Amplifier............................................8:2-2 2.3 First Mixer and 1st Intermediate Frequency (IF) .........................................8:2-2 2.4 2nd Intermediate Frequency (IF) and Receiver Back-End ..........................8:2-2 3.0 VHF (136-174 MHz) 25-45W Bipolar Transmitter Power Amplifier (PA) 45W..8:2-3 3.1 Power Controlled Stage ..............................................................................8:2-3 3.2 Pre-Driver Stage..........................................................................................8:2-4 3.3 Driver Stage ................................................................................................8:2-4 3.4 Final Stage ..................................................................................................8:2-4 3.5 Directional Coupler......................................................................................8:2-4 3.6 Antenna Switch ...........................................................................................8:2-4 3.7 Harmonic Filter ............................................................................................8:2-5 3.8 Power Control..............................................................................................8:2-5 4.0 VHF (136-174 MHz) 25-45W Bipolar Frequency Synthesis .............................8:2-5 4.1 Reference Oscillator....................................................................................8:2-5 4.2 Fractional-N Synthesizer .............................................................................8:2-6 4.3 Voltage Controlled Oscillator (VCO)............................................................8:2-7 4.4 Synthesizer Operation.................................................................................8:2-8
Section 3
1.0 2.0 3.0 4.0
Troubleshooting Charts
Troubleshooting Flow Chart for Receiver .........................................................8:3-1 Troubleshooting Flow Chart for 45W Transmitter.............................................8:3-3 Troubleshooting Flow Chart for Synthesizer.....................................................8:3-5 Troubleshooting Flow Chart for VCO................................................................8:3-6
6881091C63-A
Chapter 8: ii
Section 4
VHF (136-174 MHz) 25-45W Bipolar PCBs, Schematics, and Parts Lists
1.0 Allocation of Schematics and Circuit Boards ................................................... 8:4-1 1.1 Controller Circuits ....................................................................................... 8:4-1 2.0 VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists.................................................................................................................. 8:4-3 3.0 VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B13, Schematics, and Parts Lists................................................................................................................ 8:4-13
6881091C63-A
Chapter 8: 1-1
Section 1 MODEL CHARTS AND TECHNICAL SPECIFICATIONS
1.0
1.1
VHF (136-174 MHz) 25-45W Bipolar Model Charts
CDM Series Model Chart
CDM Series, VHF (136-174 MHz) 25-45W Bipolar
Model Description
AAM25KKC9AA1AN AAM25KKD9AA2AN AAM25KKF9AA5AN
Item
CDM750, 136-174 MHz, 25-45W, 12.5/20/25 kHz CDM1250, 136-174 MHz, 25-45W, 12.5/20/25 kHz CDM1550, 136-174 MHz, 25-45W, 12.5/20/25 kHz
Description
X X X X X X X X X X X X X X X X X X X X X X X X
GCN6112 GCN6113 GCN6114 IMUD6015 HAD4006 HAD4007 HAD4008 HAD4009 HAD4014 6881091C54 6881091C55 6881091C56
Control Head, CDM750 Control Head, CDM1250 Control Head, CDM1550 Tanapa, VHF 136-174 MHz, 25-45W, 12.5/20/25 kHz Antenna, 136-144 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 146-150.8 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 150.8-162 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 162-174 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 146-172 MHz, 3dB Gain Roof Mount (Mini U) User Guide, CDM750 User Guide, CDM1250 User Guide, CDM1550
NOTE If you wish to replace a bipolar board, you must replace it with the LDMOS tanapa (same
item number). (See Chapter 11, Section 1.0: VHF (136-174 MHz) 25-45W LDMOS Model Charts.)
6881091C63-A
Chapter 8: 1-2
Technical Specifications
1.2
PRO Series Model Chart
PRO Series, VHF (136-174 MHz) 25-45W Bipolar
Model Description
LAM25KKC9AA1AN LAM25KKD9AA2AN LAM25KKF9AA5AN
Item
PRO3100, 136-174 MHz, 25-45W, 12.5/20/25 kHz Ch Sp PRO5100, 136-174 MHz, 25-45W, 12.5/20/25 kHz Ch Sp PRO7100, 136-174 MHz, 25-45W, 12.5/20/25 kHz Ch Sp
Description
X X X X X X X X X X X X X X X X X X X X X X X X
GCN6112 GCN6113 GCN6114 IMUD6015 HAD4006 HAD4007 HAD4008 HAD4009 HAD4014 6881091C57 6881091C58 6881091C59
Control Head, PRO3100 Control Head, PRO5100 Control Head, PRO7100 Tanapa, VHF 136-174 MHz, 25-45W, 12.5/20/25 kHz Antenna, 136-144 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 146-150.8 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 150.8-162 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 162-174 MHz, 1/4 Wave Roof Mount (Mini U) Antenna, 146-172 MHz, 3dB Gain Roof Mount (Mini U) User Guide, PRO3100 User Guide, PRO5100 User Guide, PRO7100
NOTE If you wish to replace a bipolar board, you must replace it with the LDMOS tanapa (same
item number). (See Chapter 11, Section 1.0: VHF (136-174 MHz) 25-45W LDMOS Model Charts.)
2.0
Technical Specifications
Data is specified for +25°C unless otherwise stated. General Specifications
Channel Capacity CDM750/PRO3100 CDM1250/PRO5100 CDM1550/PRO7100 Power Supply Dimensions: H x W x D (in./mm) CDM750/PRO3100 CDM1250/PRO5100 and CDM1550/PRO7100 Depth excludes knobs Weight (All CDM and PRO models) Sealing: Shock and Vibration: Dust, Salt & Fog 4 64 128 13.2Vdc (10.8 - 15.6Vdc) 25 - 45W: 2.2 in. x 6.93 in. x 7.44 in. (56 mm x 176 mm x 189 mm) 2.34 in. x 7.05 in. x 7.8 in. (59 mm x 179 mm x 198 mm) Add 0.35 in. (9mm) for Volume Knob 3.5 lb. (1590 g) Withstands rain testing per MIL STD 810 C/D/E and IP54 Protection provided via impact resistant housing exceeding MIL STD 810-C/D/E Protection provided via environment resistant housing exceeding MIL STD 810 C/D/E
6881091C63-A
Technical Specifications
Chapter 8: 1-3
Transmitter
*Frequencies - Full Bandsplit Channel Spacing Frequency Stability (-30°C to +60°C, +25° Ref.) Power Modulation Limiting FM Hum & Noise Conducted/Radiated Emission Adjacent Channel Power Audio Response (300 - 3000Hz @ 20/25 kHz) (300 - 2550Hz @12.5 kHz) Audio Distortion @1000Hz, 60% Rated Maximum Deviation
VHF
VHF 136-174 MHz 12.5/20/25 kHz ±2.0 ppm 25-45W ±2.5 @ 12.5 kHz ±4.0 @ 20 kHz ±5.0 @ 25 kHz -40 dB @ 12.5 kHz -45 dB @ 20/25 kHz -36 dBm <1 GHz -30 dBm >1 GHz -60 dB @ 12.5 kHz -70 dB @ 25 kHz +1 to -3 dB TIA/EIA box
<3% typical
Receiver
*Frequencies - Full Bandsplit Channel Spacing Sensitivity (12 dB SINAD) Intermodulation
VHF
VHF 136-174 MHz 12.5/20/25 kHz 0.30 µV (0.22 µV typical) >65 dB (ETS) 75 dB @ 12.5 kHz (TIA) 78 dB @ 25 kHz (TIA) 65 dB @ 12.5 kHz 75 dB @ 20 kHz 80 dB @ 25 kHz 75 dB @ 12.5 kHz 80 dB @ 20/25 kHz 3W Internal 7.5W External 13W External <3% typical -40 dB @ 12.5 kHz -45 dB @ 20/25 kHz +1 to -3 dB TIA/EIA box -57 dBm <1 GHz -47 dBm >1 GHz
Adjacent Channel Selectivity Spurious Rejection Rated Audio Audio Distortion @ Rated Audio Hum & Noise Audio Response (300 - 3000Hz @ 20/25 kHz) (300 - 2550Hz @12.5 kHz) Conducted Spurious Emission
*Availability subject to the laws and regulations of individual countries.
6881091C63-A
Chapter 8: 1-4
Technical Specifications
Notes
6881091C63-A
Chapter 8: 2-1
Section 2 THEORY OF OPERATION
1.0 Introduction
This chapter provides a detailed theory of operation for the VHF circuits in the radio. For details of the theory of operation and troubleshooting for the associated controller circuits refer to the controller section of this manual.
2.0
2.1
VHF (136-174 MHz) 25-45W Bipolar Receiver Front-End
Receiver Front-End
The receiver is able to cover the VHF range from 136 to 174 MHz. It consists of four major blocks: front-end bandpass filters and pre-amplifier, first mixer, 1st IF, 2nd IF, and receiver back-end. Two varactor-tuned bandpass filters perform antenna signal pre-selection. A passive double-balanced mixer converts the signal to the first IF of 44.85 MHz. High-side injection is used.
Pin Diode Antenna Switch Varactor Tuned Filter RF Amp Varactor Tuned Filter Mixer 1. Crystal Filter 1. IF Amp
RF Jack
Control Voltage from PCIC
First LO from FGU
2. IF Amp 2. Crystal Filter
Recovered Audio
Demodulator
Limiter
RSSI IF
Second LO Switch Switch Switch Switch 455kHz Filter (25kHz) 455kHz Filter (12.5kHz) 455kHz Filter (25kHz) 455kHz Filter (12.5kHz)
Filter Bank Selection from Synthesizer IC
Figure 8-1 VHF Receiver Block Diagram
6881091C63-A
Chapter 8: 2-2
VHF (136-174 MHz) 25-45W Bipolar Receiver Front-End
There are two 2-pole 44.85 MHz crystal filters in the 1st IF section and 2 pairs of 455 kHz ceramic filters in the 2nd IF section to provide the required adjacent channel selectivity. The correct pair of ceramic filters for 12.5 or 25kHz channel spacing is selected via control line BWSELECT. The second IF at 455 kHz is mixed, amplified and demodulated in the IF IC. The processing of the demodulated audio signal is performed by an audio processing IC located in the controller section.
2.2
Front-End Bandpass Filters and Pre-Amplifier
The received signal from the radio's antenna connector is first routed through the harmonic filter and antenna switch, which are part of the RF power amplifier circuits, before being applied to the receiver pre-selector filter (C3001, C3002, D3001 and associated components). The 2-pole preselector filter tuned by the dual varactor diode D3001 pre-selects the incoming signal (RXIN) from the antenna switch to reduce spurious effects to following stages. The tuning voltage (FECTRL_1) ranging from 2 volts to 8 volts is controlled by pin 20 of PCIC (U3501) in the Transmitter section. A dual hot carrier diode (D3003) limits any inband signal to 0 dBm to prevent damage to the preamplifier. The RF pre-amplifier is a surface mount device (SMD) Q3001 with collector-base feedback to stabilize gain, impedance, and intermodulation. Transistor Q3002 compares the voltage drop across resistor R3002 with a fixed base voltage from divider R3011, R3000 and R3012, and adjusts the base current of Q3001 as necessary to maintain its collector current constant at approximately 1520 mA. Operating voltage is from the regulated 9.3V supply (9V3). During transmit, 9.1 volts (K9V1) turns off both transistors Q3002 and Q3001. This protects the RF pre-amplifier from excessive dissipation during transmit mode. A following 3dB pad (R3006 R3008 and R3016 R3018) stabilizes the output impedance and intermodulation performance. A second 2-pole varactor tuned bandpass filter provides additional filtering of the amplified signal. The dual varactor diode D3004 is controlled by the same signal FECTRL_1, which controls the preselector filter.
2.3
First Mixer and 1st Intermediate Frequency (IF)
The signal coming from the front-end is converted to the 1st IF frequency of 44.85 MHz using a passive double-balanced mixer (D3031). Its ports are matched for incoming RF signal conversion to the 44.85 MHz IF using high side injection. The high-side injection signal (RXINJ) from the frequency synthesizer circuit has a level of approximately +13 dBm and is injected via matching transformer T3002. The IF output signal (IF) from transformer T3001 pin 2 is fed to the first 2-pole crystal filter FL3101. The filter output in turn is matched to IF amplifier Q3101 which is actively biased by a collector base feedback (R3101, R3106) to a current drain of approximately 5 mA drawn from the 5 volt supply. Its output impedance is matched to the second 2-pole crystal filter FL3102. The signal is further amplified by a pre-amplifier (Q3102) before going into pin 1 of IFIC (U3101). A dual hot carrier diode (D3101) limits the filter output voltage swing to reduce overdrive effects at RF input levels above -27 dBm.
2.4
2nd Intermediate Frequency (IF) and Receiver Back-End
The 44.85 MHz 1st IF signal from the second IF amplifier feeds the IF IC (U3101) at pin1. Within the IF IC, the 44.85 MHz high IF signal mixes with the 44.395 MHz second local oscillator (2nd LO) to produce the 2nd IF signal at 455 kHz. The 2nd LO frequency is determined by crystal Y3101. The 2nd IF signal is amplified and filtered by an external pair of 455 kHz ceramic filters FL3112, FL3114 for 20/25 kHz channel spacing or FL3111, FL3113/F3115 for 12.5 kHz channel spacing. These pairs
6881091C63-A
VHF (136-174 MHz) 25-45W Bipolar Transmitter Power Amplifier (PA) 45W
Chapter 8: 2-3
are selectable via BWSELECT. The filtered output from the ceramic filters is applied to the limiter input pin of the IF IC (pin 14). The IF IC contains a quadrature detector using a ceramic phase-shift element (Y3102) to provide audio detection. Internal amplification provides an audio output level of 120 mV rms (at 60% deviation) from U3101 pin 8 (DISCAUDIO) which is fed to the ASFIC_CMP (U0221) pin 2 (part of the Controller circuits). A Receive Signal Strength Indicator (RSSI) signal is available at U3101, pin 5, having a dynamic range of 70 dB. The RSSI signal is interpreted by the µP (U0101, pin 63) and in addition is available at accessory connector J0501-15.
3.0
VHF (136-174 MHz) 25-45W Bipolar Transmitter Power Amplifier (PA) 45W
The radio's 45W PA is a four-stage amplifier used to amplify the output from the VCOBIC to the radio transmit level. The line-up consists of three stages which utilize LDMOS technology, followed by a final stage using a bipolar device. The gain of the first stage (U3401) is adjustable, controlled by pin 4 of PCIC (U3501) via Q3501 and Q3502 (VCONT). It is followed by an LDMOS pre-driver stage (Q3421), an LDMOS driver stage (Q3431) and a bipolar final stage (Q3441).
Antenna
From VCO Controlled Stage Pre Driver PA Driver PA-Final Stage Power Sense
Pin Diode Antenna Switch
Harmonic Filter RF Jack
Bias 2
ASFIC_CMP
SPI BUS PA PWR SET
Bias 1 Vcontrol To Microprocessor
PCIC
Temperature Sense To Microprocessor
Figure 8-2 VHF Transmitter Block Diagram
Devices U3401 and Q3421 are surface mounted. The remaining devices are directly attached to the heat sink.
3.1
Power Controlled Stage
The first stage (U3401) is a 20 dB gain integrated circuit containing two LDMOS FET amplifier stages. It amplifies the RF signal from the VCO (TXINJ). The output power of stage U3401 is controlled by a DC voltage applied to pin 1 from the power control circuit (U3501 pin 4, with transistors Q3501 and Q3502 providing current gain and level-shifting). The control voltage
6881091C63-A
Chapter 8: 2-4
VHF (136-174 MHz) 25-45W Bipolar Transmitter Power Amplifier (PA) 45W
simultaneously varies the bias of two FET stages within U3401. This biasing point determines the overall gain of U3401 and therefore its output drive level to Q3421, which in turn controls the output power of the PA. In receive mode the voltage control line is at ground level and turns off Q3501-2, which in turn switches off the biasing voltage to U3401.
3.2
Pre-Driver Stage
The next stage is an LDMOS device (Q3421) providing a gain of +13 dB. This device requires a positive gate bias and a quiescent current flow for proper operation. The voltage of the line PCIC_MOSBIAS_1 is set during transmit mode by the PCIC pin 24, and fed to the gate of Q3421 via the resistive network R3410, R3415, and R3416. The bias voltage is factory tuned.
3.3
Driver Stage
The following stage is an enhancement-mode N-Channel MOSFET device (Q3431) providing a gain of 10 dB. This device also requires a positive gate bias and a quiescent current flow for proper operation. The voltage of the line MOSBIAS_2 is set in transmit mode by the ASFIC and fed to the gate of Q3431 via the resistive network R3404, R3406, and R3431-5. This bias voltage is also tuned in the factory. If the transistor is replaced, the bias voltage must be tuned using the Customer Programming Software (CPS). Care must be taken not to damage the device by exceeding the maximum allowed bias voltage. The device's drain current is drawn directly from the radio's DC supply voltage input, PASUPVLTG, via L3431 and L3432.
3.4
Final Stage
The final stage uses bipolar device Q3441. The device's collector current is also drawn from the radio's DC supply voltage input. To maintain class C operation, the base is DC-grounded by a series inductor (L3441) and a bead (L3442). A matching network consisting of C3446-52, C3467, L34445, and two striplines, transforms the impedance to approximately 50 ohms and feeds the directional coupler.
3.5
Directional Coupler
The directional coupler is a microstrip printed circuit, which couples a small amount of the forward and reflected power delivered by Q3441. The coupled signals are rectified by D3451-2 and combined by R3463-4. The resulting DC voltage is proportional to RF output power and feeds the RFIN port of the PCIC (U3501, pin 1). The PCIC controls the gain of stage U3401 as necessary to hold this voltage constant, thus ensuring the forward power out of the radio to be held to a constant value. An abnormally high reflected power level, such as may be caused by a damaged antenna, also causes the DC voltage applied to the PCIC to increase, and this will cause a reduction in the gain of U3401, reducing transmitter output power to prevent damage to the final device due to an improper load.
3.6
Antenna Switch
The antenna switch consists of two PIN diodes, D3471 and D3472. In the receive mode, both diodes are off. Signals applied at the antenna jack J3401 are routed, via the harmonic filter, through network L3472, C3474 and C3475, to the receiver input. In the transmit mode, the keyed 9 volts turns on Q3471 which enables current sink Q3472, set to 96 mA by R3473 and VR3471. This completes a DC path from PASUPVLTG, through L3473, D3471, L3477, L3472, D3472, L3471,
6881091C63-A
VHF (136-174 MHz) 25-45W Bipolar Frequency Synthesis
Chapter 8: 2-5
R3474 and the current sink, to ground. Both diodes are forward biased into conduction. The transmitter RF from the directional coupler is routed via D3471 to the harmonic filter and antenna jack. D3472 also conducts, shunting RF power and preventing it from reaching the receiver port (RXIN). L3472 is selected to appear as a broadband quarter-wave transmission line, making the short circuit presented by D3472 appear as an open circuit at the junction of D3472 and the receiver path.
3.7
Harmonic Filter
Components L3491-L3494 and C3490-C3498 form a nine-pole Chebychev low-pass filter to attenuate harmonic energy of the transmitter. R3490 is used to drain electrostatic charge that might otherwise build up on the antenna. The harmonic filter also prevents high level RF signals above the receiver passband from reaching the receiver circuits, improving spurious response rejection.
3.8
Power Control
The transmitter uses the power control IC (PCIC, U3501) to control the power output of the radio. A portion of the forward and reflected RF power from the transmitter is sampled by the directional coupler, rectified and summed, to provide a DC voltage to the RFIN port of the PCIC (pin 1) which is proportional to the sampled RF power. The ASFIC contains a digital-to-analog converter (DAC) which provides a reference voltage of the control loop to the PCIC via R3517. The reference voltage level is programmable through the SPI line of the PCIC. This reference voltage is proportional to the desired power setting of the transmitter, and is factory programmed at several points across the frequency range of the transmitter to offset frequency response variations of the transmitter's power detector circuit. The PCIC provides a DC output voltage at pin 4 (INT) which is amplified and shifted in DC level by stages Q3501 and Q3502. The 0 to 4 VDC range at U1503, pin 4 is translated to a 0 to 8.5 VDC range at the output of Q3501, and applied as VCONT to the power-adjust input pin of the first transmitter stage U3401. This adjusts the transmitter power output to the intended value. Variations in forward or reflected transmitter power cause the DC voltage at pin 1 to change, and the PCIC adjusts the control voltage above or below its nominal value to raise or lower output power. Capacitors C3502-4, in conjunction with resistors and integrators within the PCIC, control the transmitter power-rise (key-up) and power-decay (de-key) characteristic to minimize splatter into adjacent channels. U3502 is a temperature-sensing device, which monitors the circuit board temperature in the vicinity of the transmitter driver and final devices, and provides a DC voltage to the PCIC (TEMP, pin 29) proportional to temperature. If the DC voltage produced exceeds the set threshold in the PCIC, the transmitter output power is reduced so as to reduce the transmitter temperature.
4.0
VHF (136-174 MHz) 25-45W Bipolar Frequency Synthesis
The frequency synthesizer subsystem consists of the reference oscillator (Y3261 or Y3262), the Low Voltage Fractional-N synthesizer (LVFRAC-N, U3201), and the voltage-controlled oscillators and buffer amplifiers (U3301, Q3301-2 and associated circuits).
4.1
Reference Oscillator
The reference oscillator (Y3262) contains a temperature compensated crystal oscillator with a frequency of 16.8 MHz. An analog-to-digital (A/D) converter internal to U3201 (LVFRAC-N) and
6881091C63-A
Chapter 8: 2-6
VHF (136-174 MHz) 25-45W Bipolar Frequency Synthesis
controlled by the µP via serial interface (SRL) sets the voltage at the warp output of U3201 (pin 25) to set the frequency of the oscillator. The output of the oscillator (U3262 pin 3) is applied to pin 23 (XTAL1) of U3201 via R3263 and C3235. In applications where less frequency stability is required, the oscillator inside U3201 is used along with an external crystal Y3261, varactor diode D3261, C3261, C3262 and R3262. In this case, Y3262, R3263, C3235 and C3251 are not used. When Y3262 is used, Y3261, D3261, C3261, C3262 and R3262 are not used, and C3263 is increased to 0.1 uF.
4.2
Fractional-N Synthesizer
The LVFRAC-N synthesizer IC (U3201) consists of a pre-scaler, a programmable loop divider, control divider logic, a phase detector, a charge pump, an A/D converter for low frequency digital modulation, a balance attenuator to balance high frequency analog modulation and low frequency digital modulation, a 13 volt positive voltage multiplier, a serial interface for control, and finally a super filter for the regulated 5 volts.
DATA (U0101 PIN 100) CLOCK (U0101 PIN 1) CSX (U0101 PIN 2) MOD IN (U0221 PIN 40) +5V (U3211 PIN 1) +5V (U3211 PIN 1)
7 8 9 10 13, 30
DATA CLK CEX MODIN VCC, DC5V VDD, DC5V XTAL1 XTAL2 WARP PREIN VCP VMULT2 14 U3201 FRACTIONAL-N SYNTHESIZER
LOCK FREFOUT GND IOUT IADAPT MODOUT AUX4 AUX2 AUX3 SFOUT BIAS1 VMULT1 15 AUX1 BIAS2 48
4 19 6, 22, 33, 44
LOCK (U0101 PIN 56) FREF (U0221 PIN 34) STEERING LINE
43 45 41 3 1 2
5, 20, 34, 36 23 24 25 32 47
2-POLE LOOP FILTER
LO RF INJECTION
REFERENCE OSCILLATOR
LOW VOLTAGE
VOLTAGE 28 FILTERED 5V CONTROLLED OSCILLATOR 40 39 TRB
VOLTAGE MULTIPLIER
TX RF INJECTION (1ST STAGE OF PA)
PRESCALER IN
Figure 8-3 VHF Synthesizer Block Diagram
A voltage of 5V applied to the super filter input (U3201 pin 30) supplies an output voltage of 4.5 VDC (VSF) at pin 28. It supplies the VCO, VCO modulation bias circuit (via R3363) and the synthesizer charge pump resistor network (R3251, R3252). The synthesizer supply voltage is provided by the 5V regulator U3211. In order to generate a high voltage to supply the phase detector (charge pump) output stage at pin VCP (U3201-47), a voltage of 13 VDC is being generated by the positive voltage multiplier circuits (D3201, C3202, C3203). This voltage multiplier is basically a diode capacitor network driven by two signals (1.05MHz) 180 degrees out of phase signals (U3201-14 and -15).
6881091C63-A
VHF (136-174 MHz) 25-45W Bipolar Frequency Synthesis
Chapter 8: 2-7
Output LOCK (U3201-4) provides information about the lock status of the synthesizer loop. A high level at this output indicates a stable loop. IC U3201 provides the 16.8 MHz reference frequency at pin 19. The serial interface (SRL) is connected to the µP via the data line DATA (U3201-7), clock line CLK (U3201-8), and chip enable line CSX (U3201-9).
4.3
Voltage Controlled Oscillator (VCO)
The Voltage Controlled Oscillator (VCO) consists of the VCO/Buffer IC (VCOBIC, U3301), the TX and RX tank circuits, the external RX buffer stages, and the modulation circuits.
AUX3 (U3201 Pin2)
TRB IN Pin 20 Rx-SW Tx-SW Pin7 Pin13 TX/RX/BS Switching Network Pin 19
Prescaler Out Pin 12
U3201 Pin 32
(U3201 Pin28) Pin3 Steer Line Voltage (VCTRL) RX Tank RX VCO Circuit Q3304
Vcc-Superfilter
U3301 VCOBIC
Presc
LO RF INJECTION Matching Network Q3301 Low-Pass Filter
Collector/RF in Pin4
RX
Pin5 Pin6
RX Rx Active Bias
Pin8 (U3211 Pin1) VCC Buffers TX RF Injection Attenuator
Pin14
TX
TX Tank
TX VCO Circuit
Pin16 Pin15 Pin18 Vcc-Logic Vsens Circuit
Tx Active Bias
TX
Pin10
Pin2 Rx-I adjust
Pin1
Pins 9,11,17
Tx-I adjust
(U3211 Pin1)
Figure 8-4 VHF VCO Block Diagram
The VCOBIC together with the Fractional-N synthesizer (U3201) generates the required frequencies in both the transmit and receive modes. The TRB line (U3301, pin 19) determines which tank circuits and internal buffers are to be enabled. A high level on TRB enables the TX tank and TX output (pin 10), and a low enables the RX tank and RX output (pin 8). A sample of the signal from the enabled RF output is routed from U3301, pin 12 (PRESC_OUT), via a low-pass filter, to U3201, pin 32 (PREIN).
6881091C63-A
Chapter 8: 2-8
VHF (136-174 MHz) 25-45W Bipolar Frequency Synthesis
A steering line voltage (VCTRL) between 2.5 volts and 11 volts at varactor diode D3361 tune the full TX frequency range (TXINJ) from 136 MHz to 174 MHz, and varactor diode D3341 tunes the full RX frequency range (RXINJ) from 181 MHz to 219 MHz. The RX tank circuit uses a Hartley configuration for wider bandwidth. For the RX tank circuit, an external transistor Q3304 is used for better side-band noise. The external RX buffers (Q3301 and Q3302) are enabled by a high at U3301, pin 7 (RX_SWITCH) via transistor switch Q3303. In the TX mode, the modulation signal (VCOMOD) from the LVFRAC-N synthesizer IC (U3201 pin 41) is applied to varactor diode D3362, which modulates the TX VCO frequency via capacitor C3362. Varactor D3362 is biased for linearity from the VSF.
4.4
Synthesizer Operation
The complete synthesizer subsystem consists of the low voltage FRAC-N (LVFRACN), reference oscillator (a crystal oscillator with temperature compensation), charge pump circuit, loop filter circuit and a DC supply. The output signal PRESC from the VCOBIC (U3301 pin 12) is fed to U3201 pin 32 (PREIN) via a low-pass filter (C3318, L3318 and C3226) which attenuates harmonics and provides the correct level to close the synthesizer loop. The pre-scaler in the synthesizer (U3201) is a dual modulus type with selectable divider ratios. The divider ratio of the pre-scaler is controlled by the loop divider, which in turn receives its inputs via the SRL. The output of the pre-scaler is applied to the loop divider. The output of the loop divider is connected to the phase detector, which compares the loop divider's output signal with the reference signal. The reference signal is generated by dividing down the signal of reference oscillator Y3261 or Y3262. The output signal of the phase detector is a pulsed DC signal which is routed to the charge pump. The charge pump outputs a current at U3201 pin 43 (IOUT). The loop filter (which consists of R3221-R3223 and C3221-C3224) transforms this current into a voltage that is applied to the varactor diodes (D3361 for transmit, D3341 for receive) to alter the output frequency of the appropriate VCO. The current can be set to a value fixed within the LVFRAC-N IC, or to a value determined by the currents flowing into BIAS 1 (U3201-40) or BIAS 2 (U3201-39). The currents are set by the value of R3251 and R3252 respectively. The selection of the three different bias sources is done by software programming. To reduce synthesizer lock time when new frequency data has been loaded into the synthesizer, the magnitude of the loop current is increased by enabling the IADAPT pin (U3201-45) for a certain software programmable time (adapt mode). The adapt mode timer is started by a low to high transition of the CSX line. When the synthesizer is within the lock range, the current is determined only by the resistors connected to BIAS 1 and BIAS 2, or by the internal current source. A settled synthesizer loop is indicated by a high level signal at U3201-4 (LOCK). The LOCK signal is routed to one of the µP's ADC inputs (U0101-56). From the measured voltage, the µP determines whether LOCK is active. To modulate the PLL, the two spot modulation method is utilized. Via U3201, pin 10 (MODIN), the audio signal is applied to both the A/D converter (low frequency path) as well as the balance attenuator (high frequency path). The A/D converter changes the low frequency analog modulating signal into a digital code that is applied to the loop divider, thereby causing the carrier to deviate. The balance attenuator is used to adjust the VCO's deviation sensitivity to high frequency modulating signals. The output of the balance attenuator is present at the MODOUT port (U320141) and connected to the VCO modulation diode D3362 via R3364.
6881091C63-A
Chapter 8: 3-1
Section 3 TROUBLESHOOTING CHARTS
1.0 Troubleshooting Flow Chart for Receiver (Sheet 1 of 2)
START
Bad SINAD Bad 20dB Quieting No Recovered Audio
Audio at pin 8 of U3101?
Yes
Check Controller (in the case of no audio) OR ELSE go to "B"
No
Spray or inject 44.85MHz into XTAL Filter FL3101
A
B
Yes
Audio heard?
Check Q3102 bias for faults
No
Check 2nd LO (44.395MHz) at C3135
No
Biasing OK?
Replace Q3102
Yes
B
Yes
LO present?
No
Check voltages on U3101 Check circuitry around U3101. Replace U3101 if defect
Go to B
No
Voltages OK?
Yes
Check circuitry around Y3101. Replace Y3101 if defect
6881091C63-A
Chapter 8: 3-2
Troubleshooting Flow Chart for Receiver
1.1
Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)
B
Inject RF into J3401
IF Signal at C3035? No Yes RF Signal at T3001? No Yes RF Signal at C3012? No Yes RF Signal at C3008? No or weak RF Yes RF Signal at C3474? No Check Harmonic Filter J3401 and Antenna Switch D3471,D3472,L3472
Yes
Trace IF signal from C3035 to Q3101. Check for bad XTAL filter
IF signal at Q3102 collector?
Yes
No 1st LO level OK? Locked? Yes No Check FGU Check T3001, T3002, D3031, R3030-R3034, L3032, C3034 and C3035
Before replacing U3101, check U3101 voltages
Check filter between C3012 & T3001
Check for 5VDC
Yes
A
No Check RF amp (Q3001) Stage
Is 9.3V present? No
Yes
A
Check filter between C3474 & C3008. Check tuning voltage at R3019
Check Supply Voltage circuitry. Check Q0681, U3211 and U0641
Is tuning voltage OK? No Check U3501
Yes
Check varactor filter
6881091C63-A
Troubleshooting Flow Chart for 45W Transmitter
Chapter 8: 3-3
2.0
Troubleshooting Flow Chart for 45W Transmitter (Sheet 1 of 2)
START
No power or low power when keyed
Check Components between Q3441 and RF Output, Antenna Switch D3471,D3472
>5A
Current increase when keyed?
>500mA & <5A
<500mA
Check PA Stages
YES
Control Voltage at TP3402 >1V NO
Check 9.3 V Regulator U0641
NO
PCIC U3501 Pin 15 9.3V DC? YES
<1V
Check Voltage at PCIC U3501 Pin 4 >1V
Replace PCIC U3501
NO
PCIC U3501 Pin 16 >4V DC YES
Check Components between TP3402 and U3501 Pin 4
Short TP3403 to Ground
If U3201 Pin 3 is high, replace PCIC U3501,otherwise check controller and FGU
Check PA Stages NO TP3404 9.1V DC YES
NO
Voltage at TP3402 rises? YES
Check Power Setting, Tuning & Components between PCIC Pin 5 and ASFIC (U0221) Pin 4 before replacing ASFIC
Check Forward & Reverse Power Sense Circuitry (D3451 & D3452)
NO
PCIC U3501 Pin 5 > 1V DC? YES
Replace PCIC U3501
YES
TP3403 >0.5V DC?
NO
Check Forward & Reverse Power Sense Circuitry (D3451 & D3452)
6881091C63-A
Chapter 8: 3-4
Troubleshooting Flow Chart for 45W Transmitter
2.1
Troubleshooting Flow Chart for 45W Transmitter (Sheet 2 of 2)
Check PA Stages
No power or low power when keyed Pin 3 Voltage 0.51 * Voltage at Pin 1? YES Pin 2 Voltage 0.62 * Voltage at Pin 1? NO Replace U3401 YES 0V Bias 1 DC Voltage at TP3406? 2-4V Supply Voltage Replace Q3421 NO Replace U3401
Check Voltage at Pin 2 & 3 of U3401
0V Replace Q3421 YES PCIC U3501 Pin 24 2-4V DC? NO Check Bias Tuning before replacing PCIC U3501
Bias 2 DC Voltage at TP3407? 1-4V
Supply Voltage Replace Q3431
RF Voltage at TP3401 >100mV? YES
NO Check FGU (U3301)
Check Components between ASFIC and Q3431 before replacing Q3431
YES
ASFIC U0221 Pin 6 1-4V DC? NO RF Voltage NO U3401 Pin 6 >3V? YES Check Components between TP3401 & C3417
Check Bias Tuning before replacing ASFIC U0221
RF Voltage Q3421 Gate >1V? YES RF Voltage Q3441 Base >5V? YES YES RF Voltage Q3431 Gate >4V?
NO
Check Components between C3417 & Q3421
Check Components between Q3431 & Q3441
NO
NO
Check Components between Q3421 & Q3431
Check Components between Q3441 & Antenna Connector
6881091C63-A
Troubleshooting Flow Chart for Synthesizer
Chapter 8: 3-5
3.0
Troubleshooting Flow Chart for Synthesizer
Start
5V at U3201 pins 5, 20, 34 & 36
No
Check 5V Regulator U3211, R3211
Yes Correct Problem No Visual check of the Board OK? Yes Is 16.8MHz signal at U3201 pin 23? No Yes Replace U3201
Yes
5V at pin 6 of D3201
No
Is U3201 Pin 47 = 13VDC?
Yes No +5V at U3201 Pins 13 & 30?
Is 16.8MHz Signal at U3201 Pin 19? Yes
No
No
Yes Check 5V Regulator U3211 No Check Y3261, Y3263 and associated parts
Check R3201
Is U3301 Pin 19 <40 mVDC in RX & >4.5 VDC in TX? (at VCO section)
No
Are signals at Pins 14 & 15 of U3201? Yes
Yes
Are Waveforms at Pins 14 & 15 triangular? Is U3201 pin 2 >4.5 VDC in Tx & <40 mVDC in Rx Yes Yes
No
Check D3201, C3202, C3203, C3205 & C3206
Check C3319
No No Is there a short between Pin 47 and Pins 14 & 15 of U3201? Yes Is RF level at U3201 Pin 32 -12 < x <-25 dBm? No If R3227, C3226 & C3227 are OK, then see VCO troubleshooting chart Remove Shorts
No
Replace U3201
Do Pins 7,8 & 9 of U3201 toggle when channel is changed?
Check programming lines between U0101 and U3201 Pins 7,8 & 9
Yes
No
Is information from µP U0101 correct? Yes
Yes
Check µP U0101 Troubleshooting Chart
Are R3221, R3222, R3223, C3221, C3222, & C3224 OK?
Replace U3201 No Replace or resolder necessary components
Yes Replace U3201
6881091C63-A
Chapter 8: 3-6
Troubleshooting Flow Chart for VCO
4.0
Troubleshooting Flow Chart for VCO
Low or no RF Signal at TP3001 Low or no RF Signal at input to PA
RX VCO
TX VCO
Visual check of board OK?
NO
Correct Problem
NO
Visual check of board OK? YES
YES
5V DC at U3301 Pin 14 & 18 OK? NO Make sure U3211 is working correctly and runner between U3211 Pin 1 and U3301 Pin 14 & 18 is OK NO
5V DC at U3301 Pin 14 & 18 OK?
YES
4.5V DC at U3301 Pin 3 OK? YES 35mV DC at U3301 Pin 19 OK? YES NO Check runner between U3201 Pin 2 and U3301 Pin 19 NO NO Make sure Synthesizer is working correctly and runner between U3201 Pin 28 and U4301 Pin 3 is OK NO
YES 4.5V DC at U3301 Pin 3 OK? YES 4.8V DC at U3301 Pin 19 OK? YES
Are Q3304 Base at 2.4V Collector at 4.5V Emitter at 1.7V YES
NO
If all parts associated with the pins are OK, replace Q3301
Are U3301 Pins 13 at 4.4V 15 at 1.1V 10 at 4.5V 16 at 1.9V YES
NO
If all parts associated with the pins are OK, replace U3301
Are Q3301 Base at 0.7V Collector at 4.5V Emitter at 110mV YES
NO
If all parts associated with the pins are OK, replace Q3301
Is RF available at TP3401
YES
NO
If R3402 and C3315 are OK, replace U3301
Is RF available at base of Q3301
NO
If all parts from U3301 Pin 8 to Base of Q3301 are OK, replace U3301
If all parts from TP3401 of U3401 Pin 16 are OK, replace U3401
YES
Check parts between T3001 and Q3301
Power OK but no modulation
Audio =180mVrms at "-" side of D3362
NO Replace R3364
YES
NO Replace R3363
2.5VDC at D3362
YES
If C3362 and R3363 are OK, then replace D3362
6881091C63-A
Chapter 8: 4-1
Section 4 VHF (136-174 MHZ) 25-45W BIPOLAR PCBS, SCHEMATICS, AND PARTS LISTS
1.0
1.1
Allocation of Schematics and Circuit Boards
Controller Circuits
The VHF circuits are contained on the printed circuit board (PCB) which also contains the controller circuits. This chapter shows the schematics for the VHF circuits only. Refer to the controller section for details of the related controller circuits. The PCB component layouts and the parts lists in this chapter show both the controller and VHF circuit components. The VHF schematics and the related PCB and parts lists are shown in the tables below.
Table 8-1 VHF 25-45W PCB 8486140B12 Diagrams and Parts Lists
PCB 8486140B12: Main Board Top Side Main Board Bottom Side SCHEMATICS Power Amplifier 25 - 45W FRACN Synthesizer Voltage Controlled Oscillator Receiver Front-End IF Parts List Controller version is T6/7 Page: 8: 4-3 8: 4-4 8: 4-5 8: 4-6 8: 4-7 8: 4-8 8: 4-9 8: 4-10
Table 8-2 VHF 25-45W PCB 8486140B13 Diagrams and Parts Lists
PCB 8486140B13: Main Board Top Side Main Board Bottom Side SCHEMATICS Power Amplifier 25 - 45W FRACN Synthesizer Voltage Controlled Oscillator Receiver Front-End IF Parts List Controller version is T9 Page: 8: 4-13 8: 4-14 8: 4-5 8: 4-6 8: 4-7 8: 4-8 8: 4-15 8: 4-16
6881091C63-A
Chapter 8: 4-2
Allocation of Schematics and Circuit Boards
Notes
6881091C63-A
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
Chapter 8: 4-3
2.0
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
R3222 C0256 C0211 D3221
1 14 L3201 C3210
R0256
R0252
R0268
C3229
U0251
C0212
C3148
C3231 1 R0441 18 C3213 L3232 C3242 U3211 C3245 C3255
R3145
C3226 C3227
C3221
1
16
R3224
Q3221
R3221
8
7
C3145
C0251
R0257
J0451
C3240 R3242
C3222
R3223
FL3114
Y3102
1
R0211
R0212 R0251 8 9 C0252
R3144
R3227
R3225
C3132
U0211
U3115
2
C3253
C3233
C0456
C0457
C0458
C0459
C0460
C0461
C0462
C0463
C0464
C0467
C0421
C0451
C0452
R0269
C0441
C0442
R0442
R3211 C3246
C3244
R0253
C3135
C0253 Q0110
C0262 R0262
C0443
C0446 C3215 C3214
3
2
8
7 C3140
C3139
C3211
11
10
R3130
7
8
C0453
C0468
C0455
C0466
C0261
C3243
14 C3223 C3224
1
R3142
C3143 R3135
C3134
C3133 R3124
C0447
C0470
C0471
C0472
C0473 C0474
C0476
C0477
C0448
C0449
C0478
C0490
16
1
C3252
C3254
R3251
R3252
C3234
C3232
R0261 R0102
R0222
C0445
C3247
FL3112
C3141
C0221
C0228
R0220
C0222
C3142
R0110
R0227 R0226 R0228 C0224
R0101
R0108
C3137
R0104
C0106
C0495
U0121 Flashrom
R0116 C0227 C0232
D3361
C0241 1 37 C0242 R0242 C0246 13 C0235 C0234 R0681 25 R0241 C0244 D0201 C0245 C0496 L3341 L3362
L3364 R3361 R3364
L3100 R3363 6 4 T3002 1 2 3 C3100 C3101 3 4 2 FL3101 5
R3101 C3103 C3102 6 3 4
2 FL3102 5 6 C3114
C0104
C0237
C0233
L3034
L3363 C3364 L3361 C3363
C0132
C3032
R0131 R0132 1 4 C0131
R0106 C0101 R0105 R0170
C0231
C0102
C0107
C3020
17
32
C3016
C3017
R0682
Y0131
2
C0681
C3345 Q0681 L3346 C3344
R3335
C3336 C3337
R0651
T3001 4 6
L3032 C3034
D3341
D0651
C0651
3 L0481
C3014 C3028
2
3
R0652
C0493
C0654 C0655 C0487 L0482
C3342 R3336
L3343 C3346
L3344
R3024
R3028 C3009 C3027
Q3001
3
2
1
C3012
D3004
L3002
C0652
R3341
R3014 R3015
R0114
L3333
R3016
U0651 5V Regulator
1
R3009 R3031
C3011
Q3304
C3015
R3342 C3341
C3324
D3031 L3031
C3007 R3002 C3010
R3001
C3006
D3001 C3002
R3003
C3018
C3021
Q3021
U0271
C3347
R3025 C3013 R3027
R3026 R3013
C3008 D3003
C0494 C0488 C0483 C0482
C0486
C3401
R3400
C3400
C3408
9
1 5 1
C3411 C3412 C3506 C3402
C3510 R3507
R3408 C3425 R3410 C3426
C3404
R3403 R3402
C3403 L3401
R3004
C3501
D3471
C3475 L3471
U0641 9,6V Regulator
R0182 R0186
6
R3401 C3509 R3516 L3403 R 3514 Q3501 R 3515 R3508 R 3513 R3409 L3414 R3505 R3415 3 4 C3420 2 1 8 7 R3413 C3428 R3416 R3419 C3413 C3409 R3418 L3413 L3412 C3418 1 C3414 R3411 16 U3401 8 C3407 R3424 U3502 L3411 R3425 C3507 L3474 9 R3405 C3410 R3461 C3491 C3492 D3472 C3472 R3471 Q3471 L3477 R3458 L3472 C3474 C3473
Q3502 C3508
Q0185 R0185 R0539 R0538 VR0505
Q0181
Q0177 R3512
C3417
R0535
R0543
R0181
C0542 R0510
VR0501
C3478
R3506
Q3421
6
VR0503
VR0510 5 R3404
C0517
C0518
C0515
C0516
C0513
C0514
C0512
C0509 C0510 C0508 C0506 C0505 C0504 C0503 C0502
C0501
C0511
R3406
C3435
C3422 R0533 C0612
L3422 C3434 C3443
U0611 B+ Switch
6
5
C0601 R3431 C3455
R0612 R0611 1
R3432 C3458 L3432 C3423 L3433
C3444
C3447
C0484 10 1
C0603
C3441 C3440 C3438 C3439 C3436 C3437 C3456 L3444 L3443 L3431 2 3 C3445
J0501
11
20
L3421
J3401 J0601
ZWG0130227-B
C3446
C3005
R3362
C3004
51
C3019
76
C0236 C0223 R0225
D3362
L3101
C3361
C3362
U0221 ASFIC CMP
C3357
R3111
U0101 Microprocessor
R0229 C0226
R0223
C0243 C3365
R3106
C3115
R3132
SH3301
14
1
C3131
R0255
4
1
R3117
C3124
L3124
R3123
26
1 100
R0115
C0225
R0224 R0221 R0254
U3111
U3101
20 1
C3136
ZWG0130227-B
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12 Top Side
6881091C63-A
Chapter 8: 4-4
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
C3152
R0208
C3262
R3262
R3241
C0205
R0265
C3146
C3263
R3146
C3147 R3154 R3147
R3152
TP3201
D3261
TP3202
C3241
C3203 R3201 R3203 C3202 D3201 C0492
J0401
R0266 1 12
C0267
FL3113
C3151
4
3
C3261
C3144 Q3141
Q3152
3 2
4
25
13
1 R3153 R3151 Q3151
2
C3228
R3206 C3209 R3228
C0497 C0491 C0401 C0406 C0407 C0408 C0428 C0409 C0429 C0430 C0410 C0402 C0403 C0411 R0412
C0266
R0206 R0203 R0204 TP0222
U0653
FL3115
8
5
U0652
1 4
C0105
C0485
C0431
4
3
3 C3251
4
1
6
37
1 48 R3226
C3206
R0205 TP0221 R0408 R0341 C0342 R0323 1 8 C0204 C0203
R0201 R0207 TP0102 D0101
R0467
C0422
R3105
R3104
R3102
C0112
C3123 R3116 D3101 R3115 R3114
C3122 R3118 Q3102 C3116
C3318
3
4
C3335
R3113
1
2
R0407
Y3101
C3225
L3231
R0409
R0410
2
R3263
C3235
C0423
1
C3205
C0426
R3133
FL3111
C0427
R0107
C0201
C0121
R3134
22 TP0104
28 1
C0122
R0202
C0123
R3141
Y3263
Y3261
U3201 FRACN
VR0541
R0468
R3261
R3204 C3207 C3208
R0267 C0254
C0265 C0202
C0255
7
C0325 R0324
C3356
R3356
C0324 C0304
R0342
U0341
4 C0341 5 R0347
R0401
R3315
C3313
R3319
C3033
R3317
Q3101 C3112
R3314
C3104 R3036
L3318 R3323 C3319 R3355
C0343
J0552
18 1 C0103
R0345 C0344 TP0497
U0122 RAM
L3311
C0305
R0344 15
C3355
R3112
C3111
R3108
L3111
C3121 L3112
R3107 C3110
R3343 C3305 Q3302 R3306 R3307 R3305 C3311 R3311 4 3 51 R3318 R3316 C3304 C3316
L3351
R0346
U0342
U0111 EEPROM
5 8
4
1
C0111
D0301
28
R3035
C3031
R3313 C3312 R3312
R0111 R0343 TP0101 R0112 R0113 21 8
C3113
C3333 20 C3314 1 11 C3334 C0351
C0302
C3035
C3306
R3331 C3332
C0301
TP3001 C3024 R3032
L3301
U3301
10 R3351
U0301
8
1
R0117 C0141
R0121 TP0492 TP0103
R3010 R3011 R3019 C3000 Q3002 R3023 R3030 R3034 C3025 R3033
Q3303
R3301 C3302
L3302 R3303
C3348
C3301
R3321 L3332
8 5 U0351 1 4
U0141
9 16
C0303 1 14 R0331 R0643 U0331 R0333 R0642 C0645 R0592 C0558 C0641 R0641 Q0661 Q0641 C0644 R0591 C0592 40 C0591 C0559 C0560 C0593 Q0271 C0575 C0576 R0593 C0554 R0274 C0272 TP0151 Q0151 C0151 VR0537 R0537 R0151 R0275 VR0151 C0273 D0151 R0152
C3331 C3351 C0354 L3331 C3315 C0352
J0551
1
R3021
C3023
R3018 D3011
L3345
Q3301 R3304
C3022 C3029
R3354
R3353
R3352
C3352
R3308
C3030 D3000 C3026 R3006
C3317
C3001
R0482 TP3406
R0335
R3302
R0481
R3012 R3000
L3317
C0353
C0331
L3025
C3303
R0332
C3036
C3003
E0271 R0671 R0672 C0275 C0276
E0272 R0273
C0274 C0271 R0276 C0277
R3502
R3464
C3466
R3501
R3509
C0662
VR3471
C3471 R3474 R3457
R3460 C3465 L3476
C0663 R0662 C3505 Q0663 TP0661 D0661 Q0662 R0661
R3462
TP3403
D3452
TP3404
TP3401
R3463 C3464
D3451
C3453 R3453
R3455 C3461 R3465 R3473 R3417 R3475 C3415 C3416 R3412
R3510 R3503
R3511
Q3472
25
17
C0671
C0622
U3501
32 1 9
R3517 VR0671 R0178 R0175 D0621 VR0621 R0176 Q0171 R0177
L3475 C3452
TP3501
R3459 C3460
TP3402 D3455
C3503 C3504 R3518 C3502 R3504 C3421
D0660
C0661
Q0173
R0173
D0179 Q0183 R0183 R0184 R0511
R0172 R0171 R0530 R0179 R0512 R0529 VR0509
L3494 L3491
C3489 C3494 C3490 C3488
L3445
C3451
L3473
C3457 Q3473 R3477
RT3460
R0621 C0621
R0174 R3414 L3402 C3406
C0541
R0542 R0525 R0541
R0531
C3467
C3468 C3477
RT3471 R3476
R3442
TP0530 L3442 TP3407 C3405
VR0504
C3450 R3443
L3492
5 R3444 3 L3441
C3424
C3429 C3430 2
C3498
C3496
Q3441
L3423 4 C3442 4 3 R3433 C3431 C3433 5 R3441 6 1 C3432 R3434
C0611 VR0601
C0499
L3493
R3490 C3497 C3448 6 1
Q3431
2
R3435
C3449
E0631
C3459
R3437 R3436
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12 Bottom Side
6881091C63-A
ZWG0130226-B
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
Chapter 8: 4-5
A+ PASUPVLTG_VHF_PA_1 PASUPVLTG C3405 1000pF 9V3_VHF_PA_1 9V3 C3402 .022uF VCONT C3409 2200pF R3424 68 C3403 33pF NU L3403 68nH C3404 2200pF R3400 470 6 RFOUT1 7 RFOUT2 C3408 18pF C3417 2200pF L3412 33nH L3414 4.22nH L3413 27nH R3436 120 L3433
G
L3402 57R01 C3436 10uF L3421 57R01 L3431 57R01 C3437 0.1uF L3443 57R01
C3406 1000pF
C3421 .01uF
C3456 1000pF L3473 1.2uH C3445 1000pF C3467 82pF
C3457 1000pF
9V3 R3425 68 C3438 0.1uF NU L3432 36.54nH C3439 1uF R3461 62 R3458 0 C3468 NU L3474 18pF 12nH C3452 68pF C3451 18pF R3459 0 NU D3451 C3492 470pF D3471 L3477 1.2uH C3491 16pF NU L3475 150nH R3460 L3476 0 120nH NU D3452 R3457 43 C3464 11pF C3490 36pF C3494 47pF C3488 150pF NU L3494 51nH L3491 51nH J3401 L3492 51nH L3472 48nH R3464 0 C3498 47pF C3496 43pF L3493 51nH C3497 20pF C3489 130pF
C3411 .022uF
C3412 2200pF
C3440 0.1uF
C3441 1000pF
L3444 33nH
R3443 1MEG
R3444 1MEG
L3401 39nH C3400 TP3401 0 to 5 dBm C3401 TXINJ_VHF_PA_1 R3402 2200pF TXINJ 43 R3401 130 R3403 130 R3405 100 2200pF
L3411 68nH
C3407 2200pF
R3437 120
C3458 .01uF C3455 56pF Q3431 MRF5015
D G1 G2 G3 G4
4.953x8.763 C3442 390pF C3444 220pF C3443 220pF R3441 51 L3441 30nH 3.71V (50W) 2.66V (28W) TP3403 L3442 57R01 C3461 2200pF R3465 220K RT3460 50K R3431 51 2.75V-2.90V R3432 TP3407 51 MOSBIAS_2_VHF_PA_1 R3404 MOSBIAS_2 10K C3435 2200pF R3406 150K 9V3 R3462 R3455 100K 39K R3475 10K A+ C3471 .022uF Q3441 C3446 MRF247 56pF C3447 56pF 9V3 C3459 100pF
L3445 18nH C3449 C3448 36pF 36pF C3450 68pF
C3465 1000pF
R3490 47K
U3401 16
RFIN
12.77nH
S1 S2 S3 S4
1 VCNTRL 14 VD1 11 G2 8 9 10 15
NC1 NC2 NC3 NC4
VG1 VG2
GND1 GND2 GND3 GND4
C3413 C3414 2 .022uF 2200pF R3411 3 6.8K NU
C3433 10pF R3442 10 R3433 56
C3453 10pF NU R3453 820K C3460 0.1uF
C3418 24pF
R3463 15K
4 5 12 13
R3434
C3466 1000pF
56 R3435
C3410 .022uF R3417 5.6K NU R3418 C3415 .022uF C3416 2200pF
R3412 5.6K
C3422 1000pF
C3423 0.1uF NU L3422 16.96nH C3424
56
C3432 82pF
VR3471 3 NC 2 1
R3474 51 R3473 51
L3471 1.2uH C3472 150pF
D3472
C3474 RXIN_VHF_PA_1 RXIN 1000pF C3475
C3431 180pF C3430 33pF C3429 20pF NU
C3473 150pF
18pF 8.87V TP3404 K9V1_VHF_PA_1 K9V1 RESET_VHF_PA_1 RESET FECNTL_1_VHF_PA_1 FECNTL_1 FECNTL_2_VHF_PA_1
5.6K NU C3428 R3419 20
.01uF R3414 820
L3423 12.77nH C3434 1uF
Q3471
R3471 470
Q3472
Q3421
PCIC_MOSBIAS_1
2200pF C3420 82pF
PCIC_MOSBIAS_1 NCNC NC 24 23 22 21 20 19 18 17
FECNTL_2 C3505 1uF NC NC NC NC NC NC 9V3 C3506 2200pF
TP3406 3.70V-3.90V
9V3 C3477 2200pF NU CLK_VHF_PA_1 CLK DATA_VHF_PA_1 DATA CSX_VHF_PA_1 CSX R3509 10K
VAR3 RX NA RS VAR1 VLIM VAR2 V5EXT
R3410 82K
R3415 100
R3416 100 C3509
RT3471 50K NU
R3408 150K
R3409 4.7K NU R3513 5.45V (50W) 5.20V (28W) TP3402 620 R3514 620 R3515 VCONT 620 R3516 620
C3425 1uF C3510 9V3 0.1uF
C3426 2200pF
2200pF R3507 680 D3455 NU Q3502 R3504 R3508 680 R3505 680 C3508 2200pF C3478 2200pF R3512 100K 1K Q3473 NU R3477 43 NU R3476 220 NU C3501 2200pF 9V3
25 26 27 28 29 30 31 32
Q3501
POS VOUT GND
0.75V TP3501 2 R3501 6.8K 9V3
R3511 100K R3510 20K
CNTLVLTG_VHF_PA_1 CNTLVLTG
R3413 3.3K
3
R3506 680
U3502 LM50
C3507 100pF
R3502 39K
1 2 3 4 5 6 78 NC C3502 C3504 2200pF 2200pF R3503 1K C3503 2200pF
RFIN T1 CI INT CJ VL CL GND1
GND2 CLK BPOS DATA CEX TEMP RSET ANO
U3501 H99S-4
V45 VG V10 CQX CQ Q QX F168
16 15 14 13 12 11 10 9
PA_PWR_SET_VHF_PA_1 3.77V (50W) 2.68V (28W) R3517 PA_PWR_SET R3518 100K 10K NU TEMPSENSE_CNTLR_1 TEMPSENSE
2.77V (50W) 2.65V (28W)
ZWG0130512-O
VHF (136-174 MHz) 25-45W Bipolar Power Amplifier
6881091C63-A
Chapter 8: 4-6
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
R3211 0 U3211 ADP3300 6 5V_VHF_FN_1 (SOURCE) 5V 5V_VHF_FN_2 13.30VDC 6.83VDC 11.28VDC C3202 .01uF 3 2 1
K3 K2 K1 A3 A2 A1
VDDA_VHF_FN_1 VDDA C3214 2.2uF VDDA
1
GND
3
SD IN
4.97VDC C3213 2.2uF 5V
4 2 C3212 .022uF
ERR OUT NR
IN_5V_RF_REG 5 C3211 0.1uF C3215 2.2uF IN_5V_RF_REG_VHF_FN_1
L3201 390nH 4 5 6 R3201 47 C3210 2.2uF
C3203 .01uF
D3201
VCOBIAS_1_VHF_FN_1 VCOBIAS_1 R3224 C3225 0.1uF R3225 D3221 R3226 47K NU C3228 0.1uF C3246 220pF 47K
47K
47K
C3229 .047uF Q3221
R3206 150K NU C3208 C3205 .01uF R3202 10MEG NU R3221 C3221 0.1uF 390 R3222 680 LOCK_VHF_FN_1 LOCK 5VDC (LOCKED) 0VDC (UNLOCKED) R3223 100 C3223 1uF NU BWSELECT_VHF_FN_1 BWSELECT VCOMOD_VHF_FN_1 VCOMOD 16_8MHz_VHF_FN_1 16_8MHz TRB_VHF_FN_1 TRB 4.95VDC (R) 0VDC (T) NC NC C3247 10pF +1dBm 0VDC (R) 4.91VDC (T) C3240 22pF NU R3242 0 C3224 1uF C3222 0.1uF R3203 47 C3206 10uF C3207 22pF NU C3209 0.1uF R3204 47 0.1uF
47K
NC VCOBIAS_2_VHF_FN_1 VCOBIAS_2 1.1-4.1VDC
VCTRL_VHF_FN_1 VCTRL 2.5-11VDC
44 33 22 6
PD_GND PRE_GND AGND DGND
R3228 47K NU
NC CCOMP 18 NC REFSEL
PREIN 27 NC SFBASE 26 SFCAP
3.63VDC
NC 16 28 46 4 45 43 NC NC
WARP INDMULT SFOUT ADAPTSW LOCK IADAPT IOUT
NC NC3 29 NC NC2 17 NC NC1 42
31
-2 to +7dBm
TP3201
25
TP3202
R3227 100K C3227 100pF
C3226 8.2pF
32
PRESC_VHF_FN_1 C3255 2.2uF R3251 180K C3252 1000pF C3253 4.7uF C3254 0.1uF PRESC
38 TEST2 37 TEST1 3 2 1 48 11 12 14 15
U3201 AUX4 AUX3 AUX2 AUX1 VMULT4 VMULT3 VMULT2 VMULT1
BIAS2 40 BIAS1 63A27 VBPASS 21 NC 35 PVREF NC SFIN 30 DATA 10 MODIN CEX 9 8 CLK
39
R3252
330K
VSF_VHF_FN_1 VSF DATA_VHF_FN_1 DATA
4.52VDC (R) 2.62VDC (T)
7
5VDC 2.5VDC 5VDC 0VDC C3244 220pF C3242 220pF R3261 47K L3231 2.2uH C3233 2.2uF C3245 220pF C3243 220pF
MODIN_VHF_FN_1 MODIN CSX_VHF_FN_1 CSX CLK_VHF_FN_1 CLK VDDA
R3241 100 2.90VDC 3.42VDC
16.8MHz 75Z04 6 In case Y3261 is used instead of Y3263, replacement of the following parts requires new temperature compensation of the frequency: Y3261, U3201, R3261, R3262, C3262, D3261 C3261 39pF NU
Y3261
NU IN OUT
13 34 5 36 20
47
2.2uH NU
VCP VRO
L3232
C3241 56pF NU
24 XTAL2 23 XTAL1
PRE_VDD PD_VDD DVDD AVDD
41 MODOUT 19 FREFOUT
3 D3261 NU C3263 0.1uF
C3231 .01uF
C3232 .01uF
C3234 .01uF
GND GND1
C3235 .01uF R3263 4,7k
1
4
R3262 6.2K NU
1 Y3263 16.8MHz
GND
VCNTL
2
VCC
C3262 330pF NU
5V 4 C3251 0.1uF
OUT
3 ZWG0130564-O
VHF (136-174 MHz) 25-45W Bipolar FRACN Synthesizer
6881091C63-A
ZWG0130564-O
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
Chapter 8: 4-7
WARISMOBILE VHF_VCO Q3303 9.14VDC (R) 0VDC (T) UMC5N 4 3 9.21VDC 3.83VDC (R) 0VDC (T) 9V3_VHF_VCO_3 9V3_VHF_VCO_2 9V3_VHF_VCO_1 9V3 4.97VDC VDDA_VHF_VCO_1 VDDA VSF_VHF_VCO_1 VSF
2
NC 7.44VDC (R) 0VDC (T) R3311 100 C3311 .022uF
1
VSF L3333 1uH C3335 .01uF R3335 33 4.40VDC C3332 0.1uF L3332 100nH C3333 0.1uF C3348 .01uF 1.53VDC (R) 0VDC (T) Q3304 BFQ67W C3334 .022uF C3341 0.92VDC (R) 0VDC (T) 1000pF R3341 1 2 3 4 5 6 16 15 20 19 NC NC L3345 1uH 220 R3342 39 L3341 8nH
4.54VDC
R3331 R3312 100 NU L3331 68nH C3331 10pF NU 47
C3336 .01uF
C3337 0.1uF
C3324 .01uF
L3302 100nH R3303 2.2K C3302 6.8pF R3301 75 R3308 0 1.49VDC (R) 0VDC (T) R3302 100 C3303 .01uF Q3301 2.18VDC (R) 0VDC (T) C3304 R3306 330pF NU R3304 1K 22 NU R3305 220 NU R3316 0
C3312 0.1uF NU
R3319 47K NU
C3344 1.8pF D3341 L3346 35.5nH C3345 20pF L3344 2.5-11VDC 1uH C3342 3pF R3336 15K L3343 180nH VCTRL_VHF_VCO_1 R3343 VCTRL 100 C3346 .01uF
11-14dBm (R) RXINJ_VHF_VCO_1 RXINJ C3306 5.1pF L3301 18nH C3301 15pF NU
L3311 100nH NU
R3313 1K NU
R3321 10K 4.78VDC (R) 4.27VDC (T) 4.78VDC (R) 4.22VDC (T) 18 14
VCC_LOGIC VCC_BUFFERS
C3305 5.6pF NU R3307 220 NU Q3302 NU R3314 10 NU R3317 10K NU R3318 22
U3301 50U54
10 TX_OUT 8 12
TX_IADJ RX_IADJ SUPER_FLTR COLL_RFIN RX_BASE RX_EMITTER TX_BASE TX_EMITTER FLIP_IN TRB_IN
C3314 6.8pF
RX_OUT PRESC_OUT
2.56VDC (R) 2.66VDC (T)
C3313 330pF NU TXINJ_VHF_VCO_1 TXINJ
R3315 220 NU
C3315 15pF
17 GND_LOGIC 11 GND_BUFFERS 9 GND_FLAG
C3316 3.3pF
7 RX_SWITCH 13 TX_SWITCH
C3347 .01uF
R3351 20K 4.52VDC (R) 0VDC (T) C3351 .01uF R3352 12K
1.42VDC (R) 0VDC (T)
VCOBIAS_1_VHF_VCO_1 R3353 VCOBIAS_1 100K VCOBIAS_2_VHF_VCO_1 R3354 VCOBIAS_2 150K
0-5dBm (T)
C3317 33pF
L3317 33nH 0VDC (R) 4.52VDC (T) L3318 100nH R3323 VSF 1K C3318 5.6pF
C3352 .022uF 0VDC (R) 1.92VDC (T)
R3355 20K C3355
L3351 1uH
PRESC_VHF_VCO_1 PRESC
-2 to 7dBm
.01uF C3361 1000pF
R3356 12K
C3356 .022uF
C3357 7.5pF C3364
D3361 L3364 1uH
R3362 R3361 47 C3362 5.6pF R3364 47K C3363 68pF
15pF L3361 56nH L3362 68nH L3363 56nH C3365 1000pF
TRB_VHF_VCO_1 TRB
0VDC (R) 4.91VDC (T) C3319 1000pF
220
R3363 VSF 39K NU
4.52VDC (R) 2.62VDC (T)
VCOMOD VCOMOD_VHF_VCO_1
D3362
ZWG0130394-O
VHF (136-174 MHz) 25-45W Bipolar Voltage Controlled Oscillator
6881091C63-A
Chapter 8: 4-8
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
9V3 R3026 10K Q3021
FECNTL_2_VHF_FE_1
R3006 10K C3029 330pF NU C3026 0.1uF
R3027 10K
FECNTL_2
9V3
R3010 680 R3002 560 C3010 330pF
9V3_VHF_FE_1 9V3 9V3_VHF_FE_2 C3000 3300pF D3000 K9V1__VHF_FE_1 K9V1 C3003 3300pF SP_1_2 NC 1 3 2 R3012 C3002 SP_2_2 1K R3011 4.7K R3000 1.5K
R3025 1.5K C3011 3300pF L3031 C3028 .01uF C3027 .01uF R3028 390 R3032 820 L3002 470nH R3013 3.3K C3009 R3024 390 3.6VDC C3012 R3016 10 R3018 220 R3023 Q3001 0 NU C3036 1000pF SP_3_3 3 D3011 NC_D3011_2 C3030 1000pF SP_3_1 SP_3_2 C3014 SP_4_2 C3013 7.5pF D3004 2 330pF 1000pF 1 SP_4_1 C3018 4.7pF NU R3021 560 6 C3025 2.7pF NU L3025 150nH NU R3034 820 NU R3035 0 NU 4 56pF C3021 120pF NU R3031 51 R3030 10 NU R3033 0 L3032 150nH C3034 82pF 560nH IF_VHF_FE_1 IF C3035 18pF
C3007 3300pF
Q3002
9.1pF RXIN_VHF_FE_1 RXIN C3001 4.7pF SP_1_1 D3001 2 SP_1_3 3 1 C3008 1000pF SP_2_1 C3022 .01uF
XFMR T3001 3 2 1 IO1 IO3 IO4
D3031 3 2 IO2 1
XFMR T3002 4
SP_2_3
R3003 1K
SP_4_3
6
R3001 100K R3019 47K
C3004 56pF
C3005 100pF
C3006 56pF
D3003
R3004 1.5K
R3014 51
R3015 10
R3009 100K
C3015 56pF
C3016 100pF
C3017 43pF
FECNTL_1_VHF_FE_1VLTG
FECNTL_1
C3023 330pF NU
3.0-7.5V C3024 3300pF NU TP3001 L3034 C3019 1000pF C3020 1000pF
RXINJ RXINJ_VHF_FE_1 C3031 18pF NU C3032 13pF NU
33nH NU C3033 5.1pF R3036 1K NU
VHF (136-174 MHz) 25-45W Bipolar Receiver Front-End
6881091C63-A
ZWG0130395-A
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
Chapter 8: 4-9
FL3115 9180469V04 NU 2 1 IN OUT GND1 9V3 U3111-1 14 2 VDD 1 VSS CNTL 7 13 3 GND2 4
9V3
FL3111 9180469V03 1 IN GND1 OUT 2 11 GND2
14 VDD 10 VSS CNTL 7 12 U3111-4 2
14 VDD 1 VSS CNTL 7 13 U3115-1
FL3113 9180468v04 1 IN OUT 2 11
14 VDD 10 VSS CNTL 7 12 U3115-4 R3151 9V3
GND 3
R3153 10K
9V3_VHF_IF_1 9V3 9V3_VHF_IF_2 5V_VHF_IF_1 5V R3105 100 5V R3106 27K C3104 0.1uF IFIN_VHF_IF_1 C3100 1000pF C3101 2.2pF NU FL3101 12R16 3 IN OUT GND1 GND2 GND3 GND4 6 L3101 620nH C3103 33pF C3102 15pF R3107 6.8K R3104 100 NU 5V R3108 620 C3111 0.1uF 9V3
9V3 9V3 R3114 100 NU R3115 390 R3117 27K C3116 0.1uF FL3102 12R16 3 IN OUT GND1 GND2 GND3 GND4 6 L3112 620nH C3115 22pF C3114 18pF R3111 12K R3112 10 R3113 330 R3124 820 R3123 0 44.395MHz 3 OUT 1 IN GND1 GND Y3101 4 2 12R17 R3118 6.8K Q3102 C3122 .039uF 3VDC C3123 .039uF 3.9VDC R3116 330 U3111-2 3 C3121 0.1uF 14
3
4
GND1
GND2
VDD 4 VSS CNTL 7 5
U3111-3 FL3112 14 9180469V06 1 IN VDD OUT 2 8 VSS CNTL 7 6 3 4
U3115-2 14 9 3 VDD 4 VSS CNTL 7 5
FL3114 9180468V06 1 IN OUT 2
U3115-3 14 8 VDD VSS CNTL 7 6 9
10K C3151 .01uF 9V3
BWSELECT_VHF_IF_1 BWSELECT 12.5kHz 0VDC 20/25kHz 5VDC Q3151
GND 3
R3154 10K R3152
C3110
3VDC
Q3101
27pF C3112 82pF
R3145 3.3K R3144 2.4K 1 14 18 10 19 2 9 4 7 C3148 220pF NU R3135 1.2K 15 C3142 0.1uF C3145 0.1uF
10K C3152 .01uF Q3152
0.75VDC
0.75VDC
R3101 12K R3102 10 C3113 9.1pF NU
D3101 5V R3130 51 C3132 0.1uF C3135 33pF C3136 30pF C3134 0.1uF C3133 10uF C3131 1pF NU C3137 .039uF
L3100 620nH NU
L3111 620nH
RFIN_DEC OSCOUT RSSI_FEED MIXOUT OSCIN AUDIO_FEED 5 RSSIOUT 8 AUDIOOUT 11 LIMOUT RFIN 13 LIM_DEC1 LIMIN 12 LIM_DEC2 16 IFAMPOUT IFAMPIN 17 QUADIN IFAMP_DEC1 GND
Y3102 1 3 2 455KHz 45B02 C3144 0.1uF
1 2 4 5
1 2 4 5
6 VCC
U3101
SA616
5V R3141 390 C3143 120pF
IFAMP _DEC2
C3124 33pF L3124 1uH NU
R3132 15K
20
3
Q3141
ZWG0130565-O
R3142 1.8K R3134 10K R3133 8.2K C3140 0.1uF R3146 680 R3147 12K C3139 0.1uF
C3141 0.1uF
C3146 4700pF
C3147 0.1uF DISCAUDIO_VHF_IF_1 DISCAUDIO RSSI RSSI_VHF_IF_1
VHF (136-174 MHz) 25-45W Bipolar IF (for PCB 8486140B12)
6881091C63-A
Chapter 8: 4-10
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
VHF 25-45W PCB 8486140B12 Parts List Circuit Ref
C3000 C3001 C3002 C3003 C3004 C3005 C3006 C3007 C3008 C3009 C3010 C3011 C3012 C3013 C3014 C3015 C3016 C3017 C3019 C3020 C3021 C3022 C3026 C3027 C3028 C3030 C3033 C3034 C3035 C3036 C3100 C3102 C3103 C3104 C3110 C3111 C3112 C3114 C3115 C3116 C3121 C3122 C3123 C3132 C3133 C3134 C3135 C3136 C3137 C3139 C3140 C3141 C3142 C3143 6881091C63-A
Motorola Part No.
2113741F37 2113740F19 2113740F26 2113741F37 2113740F45 2113740F51 2113740F45 2113741F37 2113741F25 2113741F13 2113741F13 2113741F37 2113741F25 2113740F45 2113740F24 2113740F45 2113740F51 2113740F42 2113741F25 2113741F25 2113740F53 2113741F49 2113743E20 2113741F49 2113741F49 2113741F25 2113740F20 2113740F49 2113740F33 2113741F25 2113741F25 2113740F31 2113740F39 2113743E20 2113740F37 2113743E20 2113740F49 2113740F33 2113740F35 2113743E20 2113743E20 2113743E11 2113743E11 2113743E20 2311049A57 2113743E20 2113740L30 2113740L29 2113743E11 2113743E20 2113743E20 2113743E20 2113743E20 2113740F53
Circuit Ref
C3144 C3145 C3146 C3147 C3151 C3152 C3202 C3203 C3205 C3206 C3208 C3209 C3210 C3211 C3213 C3214 C3215 C3221 C3222 C3224 C3225 C3226 C3227 C3228 C3229 C3231 C3232 C3233 C3234 C3235 C3242 C3243 C3244 C3245 C3246 C3247 C3251 C3252 C3253 C3254 C3255 C3263 C3302 C3303 C3306 C3311 C3314 C3315 C3316 C3317 C3318 C3319 C3324 C3332 C3333 C3334
Motorola Part No.
2113743E20 2113743E20 2113741F41 2113743E20 2113741F49 2113741F49 2113741F49 2113741F49 2113741F49 2311049A57 2113743E20 2113743E20 2311049A40 2113743E20 2311049A40 2311049A09 2311049A09 2113743E20 2113743E20 0882422W23 2113743E20 2113740F25 2113740F51 2113743E20 2113743E12 2113741F49 2113741F49 2311049A40 2113741F49 2113741F49 2113740F59 2113740F59 2113740F59 2113740F59 2113740F59 2113740F27 2113743E20 2113741F25 2311049A56 2113743E20 2311049A40 2113743E20 2113740F23 2113741F49 2113740F20 2113743E07 2113740F23 2113740F31 2113740F15 2113740F39 2113740F21 2113741F25 2113741F49 2113743E20 2113743E20 2113743E07
Description
100nF 16V 100nF 16V 4.7nF 50V 100nF 16V 10nF 50V 10nF 50V 10nF 50V 10nF 50V 10nF 50V TANT CP 10uF 10% 16V 100nF 16V 100nF 16V TANT CP 2.2uF 10% 10V 100nF 16V TANT CP 2.2uF 10% 10V TANT CP 2.2uF 10% 20V TANT CP 2.2uF 10% 20V 100nF 16V 100nF 16V FILM SM 1.0uF 15V 5% 100nF 16V 8.2pF 5% 50V 100pF 5% 50V 100nF 16V 47nF 10% 10nF 50V 10nF 50V TANT CP 2.2uF 10% 10nF 50V 10nF 50V 220pF 5% 50V 220pF 5% 50V 220pF 5% 50V 220pF 5% 50V 220pF 5% 50V 10pF 5% 50V 100nF 16V 1nF 50V TANT CP 4.7uF 20% 10V 100nF 16V TANT CP 2.2uF 10% 10V 100nF 16V 6.8pF 5% 50V 10nF 50V 5.1pF 5% 50V 22nF 16V 6.8pF 5% 50V 15pF 5% 50V 3.3pF 5% 50V 33pF 5% 50V 5.6pF 5% 50V 1nF 50V 10nF 50V 100nF 16V 100nF 16V 22nF 16V
Circuit Ref
C3335 C3336 C3337 C3341 C3342 C3344 C3345 C3346 C3347 C3348 C3351 C3352 C3355 C3356 C3357 C3361 C3362 C3363 C3364 C3365 C3400 C3401 C3402 C3404 C3405 C3406 C3407 C3408 C3409 C3410 C3411 C3412 C3413 C3414 C3415 C3416 C3417 C3418 C3420 C3421 C3422 C3424 C3425 C3426 C3428 C3430 C3431 C3432 C3433 C3434 C3435 C3436 C3437 C3439 C3440 C3441
Motorola Part No.
2113741F49 2113741F49 2113743E20 2113741F25 2113740L05 2113740F09 2113740L25 2113741F49 2113741F49 2113741F49 2113741F49 2113743E07 2113741F49 2113743E07 2113740F24 2113741F25 2113740F21 2113740F47 2113740F31 2113741F25 2113741F33 2113741F33 2113743E07 2113741F33 2113740A79 2113740A79 2113741F33 2113740F33 2113741F33 2113743E07 2113743E07 2113741F33 2113743E07 2113741F33 2113743E07 2113741F33 2113741F33 2113740F36 2113740F49 2113741A45 2113740A79 2113741A45 2113928E01 2113741F33 2113741F33 2113740A41 2113740A61 2113740A53 2113740A29 2113928E01 2113741F33 2311049A45 2113741M69 2113741W01 2113741M69 2113740A79
Description
10nF 50V 10nF 50V 100nF 16V 1nF 50V 3.0pF +-0.1pF 1.8pF 5% 50V 20pF +-0.25pF 10nF 50V 10nF 50V 10nF 50V 10nF 50V 22nF 16V 10nF 50V 22nF 16V 7.5pF 5% 50V 1nF 50V 5.6pF 5% 50V 68pF 5% 50V 15pF 5% 50V 1nF 50V 2.2nF 50V 2.2nF 50V 22nF 16V 2.2nF 50V 1nF 5% 50V 1nF 5% 50V 2.2nF 50V 18pF 5% 50V 2.2nF 50V 22nF 16V 22nF 16V 2.2nF 50V 22nF 16V 2.2nF 50V 22nF 16V 2.2nF 50V 2.2nF 50V 24pF 5% 50V 82pF 5% 50V 10nF 50V 1nF 5% 50V 10nF 50V 1uF 10% 10V 2.2nF 50V 2.2nF 50V 33pF 5% 50V 180pF 5% 50V 82pF 5% 50V 10pF 5% 50V 1uF 10% 10V 2.2nF 50V TANT CP 10uF 10% 35V 0.1uF 50V 1uF 10% 25V 0.1uF 50V 1nF 5% 50V
Circuit Ref
C3442 C3443 C3444 C3445 C3446 C3447 C3448 C3449 C3450 C3451 C3452 C3455 C3456 C3457 C3458 C3459 C3460 C3461 C3464 C3465 C3466 C3467 C3468 C3471 C3472 C3473 C3474 C3475 C3478 C3489 C3490 C3492 C3494 C3496 C3497 C3498 C3501 C3502 C3503 C3504 C3505 C3506 C3507 C3508 C3509 C3510 D3000 D3001 D3003 D3004 D3011 D3031 D3101 D3201 D3221 D3341
Motorola Part No.
2111078B57 2111078B51 2111078B51 2113740A79 2180464E50 2180464E50 2111078B31 2111078B31 2111078B38 2111078B20 2111078B38 2111078B36 2113740A79 2113740A79 2113741A45 2180464E16 2113743E20 2113741F33 2113740F28 2113740A79 2113740A79 2111078B40 2111078B20 2113743E07 2111078B47 2111078B47 2113740A79 2113740F33 2113741F33 2111078B45 2111078B31 2111078B59 2111078B34 2111078B33 2111078B21 2111078B34 2113741F33 2113741F33 2113741F33 2113741F33 2311049A07 2113741F33 2113740F51 2113741F33 2113741F33 2113743E20 4813833C02 4805649Q13 4880154K03 4805649Q13 4880142L01 4886143B01 4880154K03 4802233J09 4880236E05 4805649Q13
Description
HQ 390pF 5% RF 220 5 NPO 100V RF 220 5 NPO 100V 1nF 5% 50V 56pF 5% 250V 56pF 5% 250V HQ 36pF 5% HQ 36pF 5% HQ 68pF 5% HQ 18pF 5% HQ 68pF 5% HQ 56pF 5% 1nF 5% 50V 1nF 5% 50V 10nF 50V 100pF 5% 250V 100nF 16V 2.2nF 50V 11pF 5% 50V 1nF 5% 50V 1nF 5% 50V HQ 82pF 5% HQ 18pF 5% 22nF 16V HQ 150pF 5% HQ 150pF 5% 1nF 5% 50V 18pF 5% 50V 2.2nF 50V HQ 130pF 5% HQ 36pF 5% HQ 470pF 5% HQ 47pF 5% HQ 43pF 5% HQ 20pF 5% HQ 47pF 5% 2.2nF 50V 2.2nF 50V 2.2nF 50V 2.2nF 50V TANT CP 1uF 10% 16V 2.2nF 50V 100pF 5% 50V 2.2nF 50V 2.2nF 50V 100nF 16V DUAL SOT MMBD6100 VCTR 1SV228 SOT23 DUAL SCHOTTKY SOT23 VCTR 1SV228 SOT23 PIN MIXER DIODE CROSSOVER DIODE DUAL SCHOTTKY TRIPLE SOT143-RH CHIP SCHOTTKY VCTR 1SV228 SOT23
Description
3.3nF 50V 4.7pF 5% 9.1pF 5% 3.3nF 50V 56pF 5% 100pF 5% 56pF 5% 3.3nF 50V 1nF 50V 330pF 50V 330pF 50V 3.3nF 50V 1nF 50V 56pF 5% 7.5pF 5% 56pF 5% 100pF 5% 50V 43pF 5% 50V 1nF 50V 1nF 50V 120pF 5% 50V 10nF 50V 100nF 16V 10nF 50V 10nF 50V 1nF 50V 5.1pF 5% 50V 82pF 5% 50V 18pF 5% 50V 1nF 50V 1nF 50V 15pF 5% 50V 33pF 5% 50V 100nF 16V 27pF 5% 50V 100nF 16V 82pF 5% 50V 18pF 5% 50V 22pF 5% 50V 100nF 16V 100nF 16V 39nF 10% 39nF 10% 100nF 16V TANT CP 10uF 10% 16V 100nF 16V 33pF 2% 30pF 2% 39nF 10% 100nF 16V 100nF 16V 100nF 16V 100nF 16V 120pF 5% 50V
VHF (136-174 MHz) 25-45W Bipolar PCB 8486140B12, Schematics, and Parts Lists
Chapter 8: 4-11
Circuit Ref
D3361 D3362 D3451 D3452 D3471 D3472 FL3101 FL3102 FL3111 FL3112 FL3113 FL3114 J0401 J0451 J0501 J0551 J0552 J0601 J3401 L3002 L3031 L3032 L3101 L3111 L3112 L3201 L3231 L3301 L3302 L3317 L3318 L3331 L3332 L3333 L3341 L3343 L3344 L3345 L3346 L3351 L3361 L3362 L3363 L3364 L3401 L3402 L3403 L3411 L3412 L3413 L3414 L3421 L3422
Motorola Part No.
4805649Q13 4862824C01 4882290T02 4882290T02 4802482J02 4802482J02 9180112R16 9180112R16 9180469V