Motorola GP series Service Manual

4-6 800MHz PCB 8480641Z03 / Schematics
RX_IN
FE_AGC
R5
LO_TEST
RX_LO
IF
R5
R5
0.58V Note 2
0.2V Note 3
0.75V
3. Measured with no RX signal at the antenna input.
1. Measured using high impedance probe.
Notes:
2. Measured with -50dBm 861.85MHz RX signal at the antenna input.
2.5V Note 2
3V Note 3
+6.5 dBm @ 752.2MHz Note1
3.15V
0.75V
0 dBm @752.2MHz Note 1
-50.3 dBm @ 109.65MHz Note 1
-41 dBm Note 1, Note 2
-53 dBm Note 1, Note 2
2.95V
SH301
1
RXFE Top Shield Mixer Shield
R325
CR301
SH303
1
C312
82pF
C314
30pF
220nH
FL301
GND
3
IN
1
OUT
2
L302
R307
R309
56K
680
1K
R315
4
1
560
Q302
R324
C304
0.1µF
1.2pF
C308
68pF
30K
C307
8pF
C315
82pF
C313
C311
R310
82pF
12K
C310
15pF
R318
820
22nH
L307
C302
0.1µF
NU
56pF
C305
C301
68pF
39
5
RF
8
R327
GND1
1
GND2
3
GND3
4
GND4
6
GND5
7
IF
2
LO
Q304
U301
390nH
L303
C303
120
R320
10pF
8pF
C300
82pF
NU
C319
5.6K
R306
L309
C306
68pF
220nH
15K
12nH
L304
3
GND
2
IN
1
OUT
R328
NU
C318
FL300
R314
56pF
8.2K
NU
180K
3
GND
2
NC
1
4
VCC
5
R317
U302
68nH
L306
C317
56pF
R323
3.6K
51
R321
330
R312
47nH
L308
3.3nH
L301
8.2nH
L310
47
R326
56pF
C316
1
R322
120
CR300
2
3
800MHz (806 - 870 MHz) Receiver Front End
ZMY0130985-O

Motorola GP series Specifications

General

Operating Temperature	-30°C to +60°C
Frequency Range	136-174 MHz
Number of Channels	16
Channel Spacing	12.5 kHz / 25 kHz
Battery Life	8 hours (with standard battery)
Operating Voltage	7.5V DC
Ingress Protection	IP54
MIL-STD	810 C, D, E, F