Figure 8-24. Nue7365A Frequency Generation Unit (Vco) Circuit – 2 Of 2 - Motorola APX 5000 Service Manual
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8-34
TP853
TEST_POINT
DC_LIN_1_5V
IN
DC_SUPER_FILTER_5V
IN
DC_LIN_5V
IN
DIG_CTRL_TR
IN
DIG_CTRL_G
IN
DIG_CTRL_F
IN
R764
1.2K
ANA_CHARGE_PUMP
IN
C762
C766
C769
.039UF
6800PF
.016UF
R759
680
R767
ANA_ADAPT_CHARGE_PUMP
68
IN
C760
C763
C765
C768
C770
.082UF
.082UF
.082UF
.082UF
.082UF
C783
1500PF
C759
R761
220
.22UF
R762
11K
RF_HP_MOD_OUT
IN
DIG_CTRL_VTUR1
IN
DIG_CTRL_UR2
IN
DIG_CTRL_UT1
IN
DIG_CTRL_UT2
IN
DIG_CTRL_C
IN
DIG_CTRL_B
IN
Figure 8-24. NUE7365A Frequency Generation Unit (VCO) Circuit – 2 of 2
3
6
7
1
ANA_VTUNE
C703
100PF
DNP
DC_LIN_1_5V
L806
390NH
C802
.22UF
R807
22K
BC858CD
DC_SUPER_FILTER_5V
C791
R808
0.1UF
82K
C810
C794
220PF
100PF
VTUNE
POUT
SEL1
NC
NC
SEL2
Y704
U709
V0225AZ
309MHZ/379MHZ
SKY13251
4
V1
3
RF1
5
6
RF2
V2
8
7
RF3
V3
RFC
1
NC
CGND
NC
DC_SUPER_FILTER_5V
C792
0.1UF
C795
100PF
VTUNE
POUT
SEL1
NC
NC
SEL2
Y705
V0225AZ
415MHZ/485MHZ
U710
SKY13251
4
V1
RF1
5
V2
RF2
8
NC
V3
RF3
RFC
R811
39
C814
C816
L817
R819
R809
1000PF
100PF
390NH
270
5.6K
Q712
2
5
Q712
C820
R705
C709
R813
BC858CD
220PF
10
220PF
680
C701
R812
C813
R708
82
100
220PF
1PF
Q713
NE662M04
R815
R818
24
4
8.2
3
C704
62PF
DC_LIN_1_5V
L701
R773
390NH
5.6K
C771
R772
C775
C777
100PF
33
Q774
2
1000PF
33PF
NE68519
C779
100PF
R776
39
R778
180
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1
C831
R713
100PF
10
Q714
R712
R714
NTZD3154N
560
560
1
6
NC
2
5
NC
3
4
NC
DC_LIN_1_5V
L821
390NH
R832
15
C806
.22UF
C838
C844
L846
R849
R827
560
1000PF
47PF
390NH
6.2K
R822
20K
Q703
Q703
C851
2
5
BC858CD
BC858CD
220PF
C702
R823
R833
220PF
56K
100
Q842
C830
R840
NE662M04
220PF
15
4
3
TP780
TEST_POINT
TL_RX_LO
OUT
C836
R848
R716
TL_TX_LO
15
47PF
0
OUT
R701
R715
R717
100
0
0
DNP
DNP
RF_PRESCALAR
OUT
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