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Motorola Pro3100 Detailed Service Manual

Motorola Pro3100
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Section 12: 4-18 UHF Band 1 (403–470 MHz) 25–40 W LDMOS PCB 8471223L02, Schematics, and Parts Lists
6881091C63-F
NU
NU
NU
(Tx)
4.54 VDC
-16 to -11 dBm (Tx)
4 to 6 dBm
0 VDC (Tx)
2.35 VDC
2.6 VDC (Tx)
1.91 VDC (Tx)
NU
3.1 VDC (Rx)
NU
NU
NU
4.42 VDC (Rx)
NU
NU
NU
0 VDC (Tx)
NU
NU
NU
0 VDC (Rx)
NU
NU
NU
NU
NU
4.58 VDC
NU
NU
NU
NU
NU
4.97 VDC (Tx)
-18 to -16 dBm (Rx)
4.54 VDC
4.54 VDC (Tx)
0 VDC (Rx)
2.45 VDC (Rx)
NU
(Rx)
NU
0 VDC (Tx)
4.7 VDC (Rx)
NU
2.43 VDC (Rx)
0 VDC (Tx)
2.5 - 11 VDC
NU
0 VDC (Rx)
4.58 VDC
NU
13.5 to 16 dBm
NU
NU
NU
CR4321
PRESC_UHF_VCO
RXINJ_UHF_VCO_1
R4311
7.5K
R4312
5.6K
390nH
8.2pF
L4302
RXINJ
C4302
30
R4303
R4301
5.6K
L4304
390nH
TRB_UHF_VCO
Q4333
2
6
4
1
3
C4304
CR4301
C4305
3.9pF
VCTRL
1pF
VCOMOD_UHF_VCO
0.1uF
SH4302
SHIELD
100pF
C4308
C4309
L4301
390nH
C4301
100pF
C4353
0.1uF
Q4332
Q4301
C4312
VSF_UHF_VC0
12pF
30
GND
270
R4313
VSF
R4314
2.2uF
C4354
R4361
180
L4331
TRB
C4352
33nH
0.1uF
CR4311
5V_UHF_VCO
10
0
R4335
C4315
R4334
1.5pF
100pF
R4331
C4314
22
TXINJ
100pF
C4372
L4311
VCOBIAS_2_UHF_VCO
C4313
390nH
15nH
L4332
VCOMOD
1pF
R4336
1K
CR4302
1K
R4343
2.2K
R4342
RESONATOR
L4303
P11
P2
2
P33
R4338
220
.022uF
C4336
390nH
TXINJ_UHF_VCO
L4305
51pF
C4337
0.1uF
C4332
10
R4305
C4351
100pF
C4334
51pF
C4331
6.8pF
C4373
L4371
1pF
1pF
68nH
56K
C4321
5V
R4321
0.22uF
C4362
R4346
10K
C4303
8.2pF
PRESC
100pF
C4322
C4363
1pF
100pF
C4307
R4304
0.1uF
180
390nH
L4313
C4318
R4381
1pF
C4374
SHIELD
SH4301
470
TX_EMITTER
15
TX_IADJ
1
TX_OUT
10
TX_SWITCH
13
S
REFFUB_C
C
V
41
CIGOL_CCV
81
RX_BASE
5
RX_EMITTER
6
RX_IADJ
2
RX_OUT
8
RX_SWITCH
7
SUPER_FLTR
3
TRB_IN
19
TX_BASE
16
50U54
COLL_RFIN
4
FLIP_IN
20
S
R
EF
F
UB_DNG
11
GALF_DNG
9
71
CIGOL_DNG
PRESC_OUT
12
C4365
U4301
P11
P2
2
P33
1.5pF
RESONATOR
L4312
10
R4362
C4364
5.6pF
C4325
4.7uF
R4323
100K
C4306
2pF
R4302
10K
C4355
2.2uF
10K
0.1uF
C4316
0
R4322
R4315
R4347
0
C4323
1000pF
Q4331
MMBR941
C4375
0.1uF
C4317
100pF
C4383
100pF100pF
C4382
51pF
C4338
C4319
1pF
C4339
33nH
3.9pF
C4335
L4362
51pF
100pF
C4333
0
1K
R4363
R4341
R4337
0
R4360
270
C4324
2.4pF
VCTRL_UHF_VCO
R4332
R4333
10K
22K
CR4303
0.1uF
C4371
0.1uF
C4381
C4311
VCOBIAS_2
L4333
390nH
100pF
1000pF
C4361
L4361
R4345
0
33nH
10
R4344
R4339
22
VSF
220
R4340
TXSW
GROUND
5V
VSF
TXSW
RXSW
RXSW
VSF
UHF (403–470 MHz) Voltage Controlled Oscillator

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Motorola Pro3100 Specifications

General IconGeneral
BrandMotorola
ModelPro3100
CategoryTwo-Way Radio
LanguageEnglish

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