Motorola APX 2000 Detailed Service Manual

8-118 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
Figure 8-51. Frequency Generation Unit Circuit – 2 of 2
DC_SUPER_FILTER_5V
DC_LIN_5V
DC_LIN_2_775V
DC_LIN_1_5V
GPO1
GPO2
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
R709
7
6
3
1
8
5
4
2
G1
U738
DNP
TXH
0
SKY13251
IN
NC
NC
1
2
34
5
6
Q785
NTZD3154N
NC
NC
NC
VCO_IN
IN
R747
C786
R744
C743
L739
1
6
2
Q745
R741
R742
R746
C740
220PF
220PF
DC_LIN_1_5V
.22UF
22K
390NH
39
82K
24
BC858CD
5.6K
4
3
5
Q745
R748
BC858CD
82
R823
R822
C824
DNP
DNP
24
220PF
24
R730
1
3
2
R728
C727
33
3K
100PF
C735C733
Q731
33PF
NE68519
1000PF
21
L734
18NH
C708
21
L709
C705
1
TP737
C823
R736
180
15PF
18NH
TEST_POINT
7.5PF
100PF
C770
C768
L765
C760
R761
C816
3
1
2
4
Q756
L758
8.2
390NH
62PF
220PF
DC_LIN_1_5V
220PF
10PF
27NH
NE662M04
R757
L755
R754
C753C751
C813
1PF
33PF
1000PF
680
270
DNP
DNP
390NH
RF_PRESCALAR
C781
R707R703
R704
10
220PF
560
560
RX_LO
OUT
R799
R785
C803
16
2
Q767
R762
R809
R763
C817
150
150
36
BC858CD
220PF
220PF
20K
56K
43
5
Q767
R771
C819
100
220PF
BC858CD
R769
R766
L759
C764
18
390NH
.22UF
DC_LIN_1_5V
6.2K
R776
L775
C773
C772
390NH
1000PF
560
47PF
C780
R779
R778C777
47PF
220PF
TX_INJ
100
20
OUT
3
1
2
4
Q774
NE662M04

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)