User Guide

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120R/100MHz
L271
HS_MIC
HS_MICBIAS
GND
100k
R271
1
2
R274
220k
2k2
R276
B280
not_assembled
100k
R277
H5
TxQPhsN
H6
VSA3
RxRef
H7
RxIN
H8
TxIPhsP
TxQPhsP
G5
AuxDAC
G6
VDA1
G7
RxIP
G8
VSA2
H1
TxIOutN
H2
TxIOutP
H3
H4
TxIPhsN
TxCOut
AGCOut
F5
OUT
F6
VSA1
F7
RxQN
RxQP
F8
G1
IREF
G2
AFCOut
TxQOutN
G3
G4
E4
VDA3
E5
PData(0)
E6
PData(1)
E7
PData(2)
E8
ResetX
VDA2
F1
VREF
F2
F3
TxQOutP
F4
D3
HFCM
D4
AUXOUT
PCMRx
D5
PData(3)
D6
D7
RFIDAX
D8
RFIClk
E1
HF
E2
VSA4
E3
VDA4
VSA5
C3
VDA5
C4
VSS1
C5
PCMSCLK
C6
PCMDCLK
C7
PData(4)
C8
VDD2
D1
EARP
EARN
D2
MIC3P
B2
B3
MIC2P
B4
VDD1
B5
PCMTx
B6
Qdata
B7
CSX
B8
VSS2
C1
VSUBA
C2
MIC1P
A2
MIC1N
MIC2N
A3
A4
MBIAS
A5
TEST
A6
Idata
A7
SD
A8
VSUB
MIC3N
B1
27p
C291
COBBA
COBBA_GJP_V4.1_V257JG64T_8
N250
A1
GND
C286
14V/46V
R285
3n9
GND
MICN
J262
C263
33n
R286
14V/46V
GND
C274
22p
R284
14V/46V
GND
C285
3n9
33n
C253
33k
R273
2
0
3
BAV70W
V278
R256
1
1
0
2
47R
L283
600R/100MHz
120R/100MHz
L287
VBB
C248
GND
GND
1u0
GND
R287
14V/46V
R270
33k
1n0
C261
GND
C262
R283
14V/46V
GND
33n
22R
R255
not_assembled
GND
GND
100k
R272
0
1
V251
BC848W
470R
27p
R258
C258
C292
C264
GND
33n
GND
22p
GND
0
1
470R
R268
GND
470R
R261
VBB
3
2
1
0
VREF
R275
2k2
GND
22p
C278
2k2
GND
120k
R266
R267
V250
BC848W
L272
120R/100MHz
47R
R257
GND
R252
R265
1k0
C259
33n
100k
GND
R269
1
2x10k
R2
R1
V252
PDTC114EE
33n
/2 100k
C251
0
1
C255
1n0
C268
1u0
C295
1n0
22p
C293
10u_6.3V C297
33n
100R R260
C257
R269
/2 100k
1n0
C294
2
10u_6.3V
C270
C296 10u_6.3V
GND
3
2
1
0
C247
10n
GND
GND
VCOBBA
GND
1u0
C276
R278
2k2
2x100R
R281
L284
600R/100MHz
VCOBBA
GND
MICP
J261
C287
1n0
XEARP
XMICN
XMICP
XEARN
BUTTON_CTRL_2
GND
GND
COBBAIF(3:0)
IQData(1:0)
PCM(3:0)
RXREF
RXIP
RXIN
RXDATA(1:0)
TXDATA(3:0)
TXQP
TXQN
TXIP
TXIN
AFC
TXC
COBBA_RESET_X
HOOKDET
EAD