Text preview for : RJP05 _2.4GHz_WLAN_PA_.pdf part of Rficsolutions Inc. RJP05 The RJP05 is 2.4 GHz to 2.5 GHz; high efficiency
Power stage for WLAN Power Amplifier. The
Amplifier is designed using 0.18um SiGe BiCMOS
process for 802.11 b/g WLAN systems.
Power amplifier shows PAE of 31% at 24 dBm
power with output match off-chip. It has been
designed specially for WLAN application.
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11
RFIC Solutions Inc.
WLAN Power Amplifier
Description .
Preliminary Datasheet RJP05
Functional Diagram
.
The RJP05 is 2.4 GHz to 2.5 GHz; high efficiency Power stage for WLAN Power Amplifier. The Amplifier is designed using 0.18um SiGe BiCMOS process for 802.11 b/g WLAN systems. Power amplifier shows PAE of 31% at 24 dBm power with output match off-chip. It has been designed specially for WLAN application. Applications. · · · · IEEE 802.11 b/g WLAN Cellular System WiFi Systems ISM Band Systems . . Key Features. · · · .
Linear Gain around 26 dB High PAE, High Linearity Maximum Linear Output Power in the range of 24dBm
Electrical Specifications.
Conditions: Vcc = 3.3 V, Vbias = 3.3 V
Parameter
Frequency Range Gain Gain Flatness P1dB Pout ACPR at 16 dBm Linear Pout Efficiency @ P1dB EVM @ P1dB EVM @ 16 dBm Linear Pout Input Return Loss Output Return Loss Supply current Supply Voltage
Min
2.4
Typical
26.1 ~1 24.1 -30 31 1.6 0.17 10 10 ~250 3.3
Max
2.5
Units
GHz dB dB dBm dBc % % dB dB mA V
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22
RFIC Solutions Inc.
WLAN Power Amplifier
Simulated results. .
Preliminary Datasheet RJP05
Gain Vs Frequency 30 dB(S(2,1)) 25 20 15 10 2.40
Gain
2.42
2.44
2.46
2.48
2.50
Gain Vs Input Power 27m1 26 m2 25 24 23 m1 m2 22 Pin=-20.000 Pin=-1.000 Gain=26.121 21 RF=2.400000E9 Gain=25.148 RF=2.400000E9 20 -20 -15 -10 -5 0 Pin
5
freq, GHz
Output Power Vs Input Power 30 25 Pout 20 15 10 5 -20 -15 -10 Pin -5
m3 Pin=-1.000 Pout=24.148 RF=2.400000E
Reverse Isolation -30 -35 dB(S(1,2)) -40 -45 -50 -55 -60 2.40 2.42 2.44 2.46 2.48 2.50
m3
0
5
freq, GHz
Stability Factor 6 5 StabFact1
dB(S(2,2)) dB(S(1,1)) 0 -5 -10 -15 -20 -25 -30 2.40
Return Losses Vs Frequency
4 3 2 1 2.40 2.42 2.44 2.46 2.48 2.50
2.42
2.44
2.46
2.48
2.50
freq, GHz
freq, GHz
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RFIC Solutions Inc.
WLAN Power Amplifier
Stability Factor 20 16 StabFact1 11 6 1 1 2 3 4 5 6 7 8 9 10 freq, GHz
K 5.5 5.0 4.5 4.0 3.5 -20
Preliminary Datasheet RJP05
stab ility F actor
-15
-10
-5
0
5
R F p ow er,d Bm
O u tp u t P o w e r a n d P A E (% ) 50 40 30 20 10 0 -2 0 -1 5 -1 0 -5 0 5 10 In p u t P o w e r , d B m
Layout.
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