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A1000 - Front End Module (FEM)

PCB - 8488485N02 Iss. A

o M
GSM RX SAW filters

i b
1 2

h lc
Antenna Switch 3 4

s ip

Diplexing Networks Harmonic Filters

Schematics & manuals on www.mobilchips.com ___Mobilchips__

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A1000 - ALGAE MB

PCB - 8488485N02 Iss. A

LNA
1800/1900 MHz LNA

AGC

Clock Generation

RX VCO 3476-3980

LNA
1800/1900 MHz LNA

AGC

LNA
800/900 MHz LNA

AGC

LNA
800/900 MHz LNA

to AGC Stages

DCOC DAC (Q)

DCOC_DAC_Q

AGC Linearizer AGC DAC

DCOC_DAC_I

o M
Vcc

AGC

i b

h lc
Mixer Pole

PMA

PMA

s ip
4
Mixer Pole

Rx Synth Feedback /5

Synth Buffer

U500

3300-3820 TX VCO

4

/2

4

/2

TX Output Buffer

DCOC DAC (I)

4

IFA

IFA

/2
TX Output Buffer

/2

6

2 pole

2 pole

4

4

6 bits

6

Bits

XX

Test Mux

BB OUT

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BB OUT

Vag

Control Tracking

SPI

4 bits

A1000 - PRIMSYN

PCB - 8488485N02 Iss. A

Fref

÷6

÷$

Synth Buffer

÷N

S

3rd order FracN

GM SK M odulator 4.33 M Hz

TX SSI Interface
270 kHz

Fref

U600

AX T

Fref

Synth Buffer

÷N

S

3rd order FracN

Synth Buf fer

÷N

S

3rd order FracN

S

o M
MB Control Registers
16

WB Control Registers

i b

CLK NC

WB SPI

BT Div

h lc

s ip
U600

CLK Div

GPS Div MB SPI

DA C 10 bit SD Fref

Motorola Confidential Proprietary

A1000 - OneLifeWB
VRF_RX_2.775V E300
0 C303 C304

PCB - 8488485N02 Iss. A
GND_RF

VRF_DIG_1.875V

10pF E301
C302

.01uF

GND_RF

0

C305

C313 0.1uF

GND_RF

10pF C301 C306

.01uF

GND_RF

GND_RF

GND_RF

10pF

10pF

GND_RF

C300

20

31

37

34

40

GND_RF

42

1

3

8

4.7uF

U300 MC13778
WB_RX_I

VCC_SF

SPI_VCC

VCC_BB

SF_OUT

VCC_LNA1

VCC_LNA2

VCC_LNA3

VCC_MIX

VCC_QG

1

Vcc

bandgap reference
SF_BYP

C307

TP301 TEST_POINT WB_RX_IX

2

4.7uF

GND_RF

1

TP302 TEST_POINT

Bi-Quad 2 pole

Bi-Quad 2 pole

WB_ONELIFE_CS WB_SPI_MOSI
WB_SPI_CLK

Bi-Quad 2 pole
4 5
6

Bi-Quad 2 pole

SPI_CE
SPI_DATA

+ IFA -

SPI_CLK

+ IFA -

SPI BB Tracking Control

XX Bits

WB_TRK_CLK TEST_POINT TP300 WB_SOS1 WB_SOS2 TEST_POINT TP305

1

7

21 22 1 1 25 26 27
28 23 24

TRK_CLK
SOS1
SOS2

IFA pole

IFA pole

Mxr Tracking Control Test Mux AGC Logic

TEST_1
TEST_2 AGC_0 AGC_1
AGC_2

+ PMA -

+ PMA -

TEST_POINT TP306
WB_AGC0 WB_AGC1

2.7nH L310

WB_AGC2 WB_AGC3
WB_AGC4

+ -

LNA_2_NEG

35
39

FL300 SAFSD2G14

33pF C312 0.5pF L312
2.7nH

C35
INPUT

1
50 Ohms

VCC

29

AGC_3 AGC_4

Mixer Pole

Mixer Pole

Dif. 2 x 100 Ohms

C310

2

GND3

GND2

GND1

HB_LNA_E_GND

LB_LNA_E_GND

5

3

1

30
WB_LNA_BYP

WB_RX_EN WB_VCO_EN

45 47

RX_EN

VCO_EN SF_EN

Clock Generation

Rx Synth Fdbk /3 or /5

+Synth - Buff

SYN_FB_POS SYN_FB_NEG

43 44

CTGND

41

LNA_AGC

13

EXT_LO

46

1

2

11

5

RX VCO

Singleended to Differential
GND 49

+ + BB OUT + BB OUT VAG + +
GND_RF

WB_RX_Q BB_I_POS BB_I_NEG

9 10
Dif. 2 x 200 Ohms

1

TP303 TEST_POINT

WB_RX_QX BB_Q_POS BB_Q_NEG
C_MODE VAG 11

1
Dif. 2 x 200 Ohms

12 13 14
15 16

TP304 TEST_POINT

C308

VB2 DCOC_I_POS
DCOC_I_NEG
DCOC_Q_POS

17 18
19

DCOC_Q_NEG

LNA_1_POS

33
Dif. 2 x 100 Ohms

LNA_1_NEG
LNA_2_POS

32

LNA_3_POS

LNA_3_NEG

o M
36
Dif. 2 x 100 Ohms

i b
GND_RF

h lc
U500
SF_OUT

1000pF

GND_RF

s ip
WB_CMODE

VRF_RX_2.775V

C309

E30 0 C33

1000pF

GND_RF

WB_DCOC_I

WB_DCOC_IX

10pF GND_RF

WB_DCOC_Q WB_DCOC_QX

C37 .01uF

R32 3.3K

L34 2.7nH

GND_RF

U30 MC13820

4 6

OUTPUT1 OUTPUT2

2

50 Ohms

3

LB_LNA_OUT HB_LNA_OUT

LB_LNA_IN HB_LNA_IN
LB_RBIAS

10 6 12
4

L31
4.7nH

C30
WB_RX
33pF

38

1pF

C311

HB_RBIAS ENABLE
GAIN

C31 0.7pF
MBC_EN2 MBC_EN1

33pF

7
8
9

R33 2K
L32 1nH GND_RF

BAND

E302 SHORT

GND_RF

GND_RF

GND_RF

GND_RF

RX_TUNE

48

Motorola Confidential Proprietary

A1000 - TX Rattler and WCDMA PA

PCB - 8488485N02 Iss. A

VRF_TX_2.775V L230

U800
C840 10pF VRF_TX_2.775V L231 82nH
50 Ohms

82nH

C230 .01uF

GND_RF

C231
VRF_TX_2.775V

.01uF

TX_RATTLER _MODULE
E203SHORT 1 RAT_VCA_AOC E204 SHORT 2

BATT+ C402 1.0uF C400 4.7uF C401 1.0uF GND_RF 1

E403 SHORT

2

0201
E404 SHORT

TX_WB_EN

1

2

0201
GND_RF GND_RF C403 10pF C404 10pF

5W_VLD

Load Control
14 C408 WB_TX 2.2pF L408DNP 1.8nH
50 Ohms

ENABLE LOADSW

2 6

GND_RF

GND_RF

U200 50M21

CP_OUT RFOUT

R201

10

Adj Match

Final

Driver

PreDriver

3.3nH

Match

RFIN VIB

20 18 3 4

50 Ohms

50 Ohms

BATT+ R202DNP 0 MB_PA_VBA2

L409 10nH

NC NC NC

5 8 12

NC1 NC2 NC3

Bias Control
Match
GND_FLAG

VBA1 VBA2

MB_PA_VBA1

R203DNP 0

GND_RF

GND_RF

Match
U400 MMM5092

C407 1.0uF
R406680 R405 GND_RF

GND_RF

GND_RF

WB_PA_VBA1 680

GND7

GND6

GND5

GND4

GND3

GND2

GND1

5189552N01

9

22

16

13

7

21

19

11

C406 39pF GND_RF

C405 39pF

Loop Filter

R214DNP 0

C213DNP 10pF

R212DNP 0

CTGND

GND16

GND15

GND14

GND13

GND12

GND10

GND11

GND5

GND4

GND3

GND2

GND9

GND8

GND7

GND6

9

8

7

33

31

30

29

28

27

22

17

14

13

12

5109768D08
R880 TEMP_SENSE

GND_RF

3 4 VOUT

U880

VPOS LM20

TEMP_SENSE_EN 1

470 C880 .01uF

GND1

GND0

NC

NC
C881 .01uF

5

2

GND_RF

CLOSE TO MMM5092

GND_RF

GND_RF

Temp Sensor REF # (880 - 889)

Motorola Confidential Proprietary

11

10

5

GND1

WCDMA PA REF # (400 - 499)

GND_RF

GND_RF

GND_RF

GND_RF

0

WB_PA_VBA2

o M
RF_OUT

6

EPCOS SAW

i b

h lc


VCC_MAIN

VCC_VCO

VCC_DIG

VCC2

VCC1

VREF

s ip
VRF_TX_2.775V

GND_RF 39 E201 21 SHORT

R200

0201

RAT_ASPI_CLK

1

2

0201

C200 4.7uF

C201DNP 10pF

RAT_ASPI_DW

0603

E205SHORT 1

2

0201

RAT_ASPI_CE

GND_RF

GND_RF

32

26

16

4

VGC

5188450M21

SCK SDI CEB TX_EN Q_M_NEG Q_P_POS

1 2 3 15 18 19

SHORT E206 1 2

15

17

1

TX_EN

E207 WB_TX_QX E208 WB_TX_Q







Div /4
I_M_NEG I_P_POS 20 21

E209 WB_TX_IX

E210 WB_TX_I SHORT E211 1 2 VRF_TX_2.775V E213 21 SHORT

Bandgap, Logic and Temp Comp Trim Logic

Div /2 Tank

FracN Synth

VCO_EN REF BIAS_STATE

23 24 25

RAT_VCO_EN

R213

RES
PS_CLK_RAT

A1000 - Durango 9E-3G

VRF_TX_2.775V

B+ BATT+

PCB - 8488485N02 Iss. A
BATT+ C801 4.7uF C803 0.1uF

C800 39pF

C802 4.7uF

GND_RF BATT+ GND_RF GND_RF

R810
MB_PA_VBA

110

BATT+

C805
0.1uF

R811110

C810 39pF

C811 39pF

C806 0.1uF GND_RF

GND_RF GND_RF

GND_RF

Supply

GSM TX
L820 GSM_TX 2.2nH 11 RFOUT1

Match

C832 DCS_PCS_TX 6.8pF C830 0.75pF

DCS/PCS TX

50 Ohms

17

50 Ohms

C820DNP 2.2pF

C821 1pF

C831 3.9pF

14 13

SIG_GND2

GND13

GND12

GND10

GND11

GND_RF

GND_RF

GND_RF

SIG_GND1

L831 8.2nH

o M
RFOUT2

Match

i b
Final Final
GND7 GND6 GND5 GND4 20 19 18 16 12

Match

h lc
Match Driver PreDriver

s ip
RFIN1 33 RFIN2 29 CPIN VENL VENH VEND
VMODE

R801 0
R800DNP 0

27

22

21

31

24

50 Ohms

9E_GSM

2

1

8

7

VCC1_2_2

VCC1_2_1

VCCBIAS

VCC3_4

VCC3_3

VCC3_2

VCC3_1

VBA2

VBA1

VREF

5

R802DNP 0

50 Ohms

GND_RF

GND_RF

Match

Bias Control

Driver

PreDriver

Match

50 Ohms

L834 2.2nH C833 2.2pF

50 Ohms

9E_DCS_PCS

Match

Match
10

C835DNP 3.3pF

VDET

VDETREF

Power Detection

34
28 15 3

LB_EN HB_EN
TX_EN_2V7 9E_VMODE

GND_RF

GND_RF

U800 DURANGO-9E3G

5188220Y01

GND9

GND8

GND3

GND2

GND1

C807 10pF

C808DNP 10pF

9

6

32

30

26

36

35

25

GND_RF

23

4

GND_RF
9E_VDET 9E_VREFDET

GND_RF

GND_RF

1

E801 SHORT

2

GSM/DCS/PCS PA REF# ( 800 - 835)

U200

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