Operating instructions

Circuit Board/Schematic Diagrams and Parts List 6-17
RXFE
800M_VCO_EN 900M_VCO_EN
800M_VCO_EN
900M_VCO_EN
VR402
VOLTAGE
5 5
J1 J1
J2
J3
J2
J3
GND GND
GND1 GND2 GND3 GND4
V2 V2 V1 V1
2 2
6 6 4 4
C400
39pF
39pF
C402
39pF
C401
IN_800
IN_900
OUT_800
OUT_900
AS179_92LF
U402
RX_IN
1
3
1
3
5
7
3
1
0.10uF
C413
0.10uF
C414
G5ED-938M00
2 4 6 8
FL401
C404
39pF
39pF
C403
800M_VCO_EN 900M_VCO_EN
NU
C409
0.1uF
10nH
L403
R402
470
C410
0.10uF
D400
C406
180pF
AS179_92LF
U403
9nH
L401
C447
LNA_EN
LNA_ATTN
LNA_AGC
NU
L406
1.8nH
RX_EN
LNA_E
2
LNA_I
LNA_IN
7
LNA_OUT
LNA_VCC
8
RF_ATTN
11
RF_VCC
RSET
10
AGC
GND
12
GND1 AGC_RTN
G1
9
U400
MAX2373
C411
.01uF
270pF
C424
C449
680
R496
6
1
3
4
5
56nH
L405
R403
910
2.0pF
C450
C439
68pF
C412
150pF
L407
30nH
0.10uF
C416
900M_VCO_EN800M_VCO_EN
.01uF
C408
68pF
C407
E401
BLM10B601SDPT1
2.775V_ANA_V7
5
J1
J2
J3
GND
V2 V1
2
6 4
1
3
C420
39pF
39pF
C419
U404
AS179_92LF
GND1 GND2 GND3 GND4
IN_800
IN_900
OUT_800
OUT_900
5
7
3
1
2 4 6 8
C422
39pF
39pF
C421
FL402
G5ED-938M00
5
J1
J2
J3
GND
V2 V1
2
6 4
1
3
0.10uF
C417
AS179_92LF
U405
0.10uF
C415
800M_VCO_EN 900M_VCO_EN
NU
C454
RX_1ST_LO_INJ
1
RF
LO
IF
3
2 4
GND1
GND2
5
MT9L5
U401
NU
0
C426
L410
C423
39pF
L414
3.3nH
3.9pF
C431
560
82nH
R407
51pF
L411
C427
10
R408
NU
L412
300nH
560
R406
6.2pF
C425
C451
C428
12pF
NU
NU
0.10uF
C434
270nH
L416
330nH
L415
D73312GQ1
FL400
1IN
CC1
CC2
OUT
3
6
4
5 2 GND1
GND2
C452
C433
C432
6.8pF
R411
56K
R409
20K
NU
Q400
0.10uF
C435
330
R412
C438
C437
0.10uF
R410
4.7K
IF_AMP_VCC
TP403
1.2K
R413
5V_RX
NU
0
R425
51
5.1K
R421
R420
0.10uF
C442
C441
820nH
L417
0.10uF
C436
NU
NU
C445
L418
270nH
Q401
R424
30K
R422
30K
C440
C444
0.10uF
NU
R417
0
11pF
C446
R497
0
R419
IF_AMP_OUT
Receiver Front End Schematic Diagram