8-54
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1/700–800 MHz
Figure 8-33. MNUS4000A/C/E Frequency Generation Unit (VCO) Circuit – 2 of 2
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
DIG_CTRL_E
DIG_CTRL_G
DIG_CTRL_UR2
DIG_CTRL_VTUR1
DIG_CTRL_UT1
DIG_CTRL_C
DIG_CTRL_B
DIG_CTRL_F
DIG_CTRL_TR
ANA_CHARGE_PUMP
DIG_CTRL_UT2
ANA_ADAPT_CHARGE_PUMP
1
TP853
DC_LIN_5V
TEST_POINT
DC_LIN_1_5V
DC_SUPER_FILTER_5V
IN
IN
IN
IN
IN
IN
IN
IN
DIG_CTRL_A
DIG_CTRL_H
DIG_CTRL_D
DIG_CTRL_78T
DIG_CTRL_7T8R
DIG_CTRL_VR
RF_HP_MOD_OUT
DIG_CTRL_8T7R
R761
R762
C759
220
.22UF
11K
C783
1500PF
C769
.016UF
R764
R767
C766
C760
C763
C765
C768
C770
C762
R759
68
.082UF
.082UF
.082UF
680
.082UF
1.2K
.039UF
.082UF
6800PF
7
5
3
DIG_CTRL_UT1
DIG_CTRL_UT2
SEL2
VTUNE
SEL1
NC
GND6
GND3 GND4 GND5
POUT
VCC
GND1 GND2
2
NC
11
1
4
12
10
9
8
6
Y705
C790
C793
DC_SUPER_FILTER_5V
415MHZ/485MHZ
100PF
V0225AZ
0.1UF
DC_SUPER_FILTER_5V
V0225AZ
NC
SEL2
VTUNE
SEL1
NC
GND6
GND3 GND4 GND5
POUT
VCC
GND1 GND2
7
11
5
3
1
4
12
10
9
8
6
2
Y704
C789
C796
309MHZ/379MHZ
DIG_CTRL_UR2
100PF
0.1UF
DIG_CTRL_VTUR1
ANA_VTUNE
2
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
NC
7
6
3
1
8
5
4
G1
U708
SKY13251
C709
R705
R708
Q713
C820
220PF
100
10
220PF
NE662M04
C802
C704
R813
C701
L701
4
3
5
Q712
1
6
2
Q712
3
12
4
R818
R815
C810
R811
R809
R807
R808
R812
L806
C813
C814
C816
L817
R819
BC858CD
390NH
BC858CD
DC_LIN_1_5V
.22UF
390NH
5.6K
1000PF
22K
82
680
1PF
8.2
DC_LIN_1_5V
62PF
24
82K
33PF
270
220PF
390NH
39
220PF
RF_ESCORT_DIV2_NONINV
R711
R709
R710
C805
C801
L802
C803
C800
C798
33NH
100PF
22PF
6.8PF
22PF
68
68
200
1000PF
IN
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
C804
8
5
4
U711
100PF
SKY13251
NC
7
6
3
1
2
G1
C799
100PF
RF_ESCORT
OUT
U710
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
7
6
3
1
2
G1
SKY13251
8
5
4
C794
39PF
Y706
V0225AZ
DC_SUPER_FILTER_5V
SEL2
VTUNE
SEL1
NC
GND6
GND3 GND4 GND5
POUT
VCC
GND1 GND2
NC
11
1
4
12
10
9
8
6
2
C791
758MHZ/868MHZ
0.1UF
7
5
3
DIG_CTRL_7T8R
DIG_CTRL_8T7R
SEL2
VTUNE
SEL1
NC
GND6
GND3 GND4 GND5
POUT
VCC
GND1 GND2
NC
7
11
5
3
1
4
12
10
9
8
6
2
Y707
C792
C795
DC_SUPER_FILTER_5V
266MHZ/809MHZ
100PF
V0225AZ
0.1UF
DIG_CTRL_78T
DIG_CTRL_VR
C797
100PF
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
7
6
3
1
8
5
4
2
G1
U709
SKY13251
R772
C771
100PF
33
R773
5.6K
13
2
Q774
C777
33PF
NE68519
C775
R776
39
1000PF
C779
R778
180
100PF
1
TP780
TEST_POINT
RF_PRESCALAR
OUT
3
12
4
Q842
NE662M04
C806
R701
C702
C851
R848
R840
C836
R849
L846
C844
C838
4
3
5
Q703
1
6
2
Q703
R832
L821
R827
R822
R833
R823
C830
DC_LIN_1_5V
1000PF
56K
220PF
.22UF
BC858CD
390NH
560
TL_TX_LO
15
6.2K
15
220PF
BC858CD
100
47PF
100
220PF
15
390NH
20K
47PF
OUT
NC
NC
4
1
5
2
3
6
Q714
NTZD3154N
NC
R714
R712
R713
C831
TL_RX_LO
560
560
10
100PF
OUT
Summary of Contents for ASTRO APX 7000
Page 1: ......
Page 4: ...iv Document History Notes ...
Page 24: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Page 98: ...3 74 Theory of Operation Global Positioning System GPS ...
Page 163: ...Troubleshooting Charts PA Failure 5 59 ...
Page 164: ...5 60 Troubleshooting Charts PA Failure ...
Page 276: ...7 58 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 318: ...8 42 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF 700 800 Notes ...
Page 380: ...8 104 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 700 800 MHz Notes ...
Page 432: ...8 156 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 VHF Notes ...
Page 458: ...8 182 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 UHF2 Notes ...
Page 498: ...8 222 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 700 800 MHz Notes ...
Page 546: ...8 270 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 VHF Notes ...
Page 606: ...8 330 Schematics Boards Overlays and Parts Lists VOCON Boards Notes ...
Page 638: ...Glossary 10 Glossary Notes ...
Page 643: ......