Motorola APX 2000 Detailed Service Manual

8-196 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2 (84012432001 / PC000354A01)
Figure 8-90. Receiver VCO Circuit
4.7K
47K
47K
10K
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
NC
4.3PF
3.9PF
2.4PF
2.4PF
1SV279
1SV279
130
12K
11NH
2.4PF
47PF
2.4PF
27K
IF
820NH
220PF
820NH
820NH
SKY13251
820NH
10PF
100PF
220PF
18
DNP
300
3.3PF
300
2415428H04
5.4NH
4.3PF
1SV279
1SV279
NE856
UMC5NT2
100PF
0.1UF
100PF
100PF
0.1UF
IF
IF
IF
IF
43
0
IF3100
R3100
C3105
C3102
C3104
R3106
R3105
R3103
C3101
IF3104
IF3103
IF3101
IF3102
C3161
U3001
C3159
C3158
R3159
L3106
L3112
C3120
L3125
C3122
R3127
L3126
C3116
C3115
Q3128
R3118
C3109
C3111 R3114
L3119
Q3123
C3113
C3110
C3107
C3108
D3105
D3103
D3104
D3102
L3101
C3100
GPO1
DC_SUPER_FILTER_5V
DC_SUPER_FILTER_5V
VCO_OUT
VCO_TX
GPO1
VCTRL
GPO1
GPO2
GPO2
1
1
1
1
1
7
6
3
1
8
5
4
2
G1
3
1
4
5
2
13
2
21 21
21 21
IN
IN
IN
NC
NC
CGND
RF3
RF2
RF1
NC
RFC
V3
V2
V1
OUT
IN
10K
47K
47K
4.7K

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)