Motorola APX 2000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01) 8-63
Figure 8-35. Frequency Generation Unit Circuit – 2 of 2
DC_SUPER_FILTER_5V
DC_LIN_5V
DC_LIN_2_775V
DC_LIN_1_5V
GPO2
GPO1
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
DNP
0
SKY13251
R709
U738
TXH
7
6
3
1
8
5
4
2
G1
IN
NC
NC
NTZD3154N
Q785
4
1
52
3
6
NC
NC
NC
10
220PF
560 560
C781
R707R703
R704
RX_LO
OUT
18
220PF
220PF
56K
220PF
BC858CD
BC858CD
390NH
100
20K
.22UF
15
6.2K
C803
R769
Q767
R771
C819
R766
L759
C764
Q767
R762
R809
R763
C817
DC_LIN_1_5V
4
3
5
16
2
1000PF
390NH
56047PF
R776
L775
C773C772
NE662M04
Q774
3
12
4
DNP
47PF
27PF
24PF
220PF
C780
R779
R778
C777
TX_INJ
OUT
300
300
R799
R785
.1UF1000PF 390NH 270
R757L755C753C751
390NH
39
5.6K
R747
R744
L739
DC_LIN_1_5V
BC858CD
22K
BC858CD
Q745
Q745
R741
4
3
5
1
6
2
220PF
82
82K
R748
C786
R742
DNP
DNP
220PF
24
24
220PF
24
R823
R822
C824
R746
C740
3K
33
100PF
R730
R728
C727
82
NE68519
33PF1000PF
C735C733
R734
Q731
13
2
390NH
L758
39NH
7.5PF
DNP
15PF
TEST_POINT
100PF
180
C708
L709
C705
TP737
C823
R736
1
RF_PRESCALAR
VCO_IN
IN
.22UF
C743
NE662M04
68NH
220PF
10PF
220PF
8.2
62PF
3.3PF
820
C770
R768
R765
C760
R754
R761
C816
Q756
C813
DC_LIN_1_5V
21
3
12
4

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)