Motorola APX 7000 - Page 292

8-16 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF/700–800
Figure 8-15. MNUR4001B/D Frequency Generation Unit (VCO) Circuit – 2 of 2
1
TP853
DC_LIN_5V
TEST_POINT
DC_LIN_1_5V
DC_SUPER_FILTER_5V
DIG_CTRL_UR2
DIG_CTRL_VTUR1
DIG_CTRL_UT1
DIG_CTRL_C
DIG_CTRL_B
DIG_CTRL_F
DIG_CTRL_G
DIG_CTRL_E
DIG_CTRL_TR
ANA_CHARGE_PUMP
DIG_CTRL_UT2
ANA_ADAPT_CHARGE_PUMP
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
C760 C763 C765 C768 C770
.082UF .082UF
.082UF
.082UF .082UF
R764
C766
R767
C769C762
R759
68
680
.016UF
1.2K
.039UF
6800PF
12
10
9
8
6 2
NC
SEL2
VTUNE
SEL1
NC
GND6
GND3
GND4 GND5
POUT
VCC
GND1 GND2
7
5
3
1
4
Y705
C790
C793
415MHZ/485MHZ
DIG_CTRL_UT1
100PF
DNP
V0225AZ
DNP
0.1UF
DC_SUPER_FILTER_5V
DIG_CTRL_UT2
7
5
3
DIG_CTRL_UR2
DIG_CTRL_VTUR1
ANA_VTUNE
NC
SEL2
VTUNE
SEL1
NC
GND6 GND3
GND4 GND5
POUT
VCC
GND1
GND2
11
1
4
12 10
9
8
6
2
Y704
C789
C796
DC_SUPER_FILTER_5V
309MHZ/379MHZ
100PF
0.1UF
V0225AZ
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
NC
7
6
3
1
8
5
4
2
G1
U708
SKY13251
C709
R705
R708
C704
L701
3
12
4
Q713
13
2
Q774
R818
C777
C775
C820
8.2
DC_LIN_1_5V
62PF
220PF
100
10
220PF
390NH
33PF
1000PF
NE68519
NE662M04
R773
R772
C771
5.6K
100PF
33
C779
R778
R776
180
100PF
39
DIG_CTRL_A
DIG_CTRL_H
DIG_CTRL_D
DIG_CTRL_78T
DIG_CTRL_7T8R
DIG_CTRL_VR
DIG_CTRL_8T7R
IN
IN
IN
IN
IN
IN
IN
R761
R762
C759
RF_HP_MOD_OUT
.22UF
11K
270
C783
2200PF
IN
SEL2
VTUNE
SEL1
NC
GND6 GND3 GND4
GND5
POUT
VCC
GND1
GND2
NC
7
5
3
1
4
12
10
9 8 6 2
Y707
C795
266MHZ/809MHZ
100PF
V0225AZ
DIG_CTRL_78T
DIG_CTRL_VR
11
C792
DC_SUPER_FILTER_5V
0.1UF
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
Y706
C791
C794
758MHZ/868MHZ
DIG_CTRL_7T8R
V0225AZ
DIG_CTRL_8T7R
DC_SUPER_FILTER_5V
0.1UF
39PF
11
C797
100PF
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
7
6
3
1
8
5
4
U709
SKY13251
NC
2
G1
C701
16
Q712
R815
C810
R811
R809
R807
R808
L806
24
82K
BC858CD
DC_LIN_1_5V
5.6K
220PF
390NH
39
220PF
22K
4
3
5
Q712
R812
82
BC858CD
2
R813
C813
C814 C816
L817
R819
680
1PF
390NH33PF1000PF
270
1
TP780
TEST_POINT
RF_PRESCALAR
OUT
R701
3
12
4
Q842
C851
R848
C836
TL_TX_LO
47PF
100
220PF
15
NE662M04
OUT
C702
R840
R849
L846
C844C838
43
5
Q703
1
6
2
Q703
R832
L821
R827
R822
R833
R823
C830
560
BC858CD
15
DC_LIN_1_5V
1000PF
6.2K
220PF
15
220PF
BC858CD
100
390NH
20K
390NH
56K
47PF
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
7
6
3
1
8
5
4
2
G1
U710
SKY13251
C799
100PF
RF_ESCORT
OUT
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
C805
7
6
3
1
8
5
4
2
G1
U711
100PF
SKY13251
C804
100PF
R711R709
R710
C801
L802
C803C800
33NH
22PF
6.8PF
22PF
6868
200
C798
RF_ESCORT_DIV2_NONINV
1000PF
IN
NC
NC
NC
4
1
5
2
3
6
Q714
NTZD3154N
C831
100PF
R714R712
R713
560560
10
TL_RX_LO
OUT