Motorola APX 7000 - Page 392

8-116 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/VHF
Figure 8-54. MNUT4000A/C/E Frequency Generation Unit (VCO) Circuit – 2 of 2
TEST_POINT
1
TP853
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
DIG_CTRL_B
DIG_CTRL_UT2
DIG_CTRL_UT1
DIG_CTRL_UR2
DIG_CTRL_VTUR1
DC_SUPER_FILTER_5V
DC_LIN_5V
C762
.039UF
DIG_CTRL_TR
R764
C766
R767
C760 C763 C765 C768 C770
C769
R759
68
DIG_CTRL_C
.082UF .082UF
DIG_CTRL_F
DIG_CTRL_G
DIG_CTRL_E
DC_LIN_1_5V
.082UF
680
.082UF
ANA_CHARGE_PUMP
.016UF
1.2K
.082UF
ANA_ADAPT_CHARGE_PUMP
6800PF
R761
R762
C759
C783
RF_HP_MOD_OUT
220
1500PF
.22UF
11K
IN
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
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
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
DNP
DNP
DC_SUPER_FILTER_5V
758MHZ/868MHZ
DIG_CTRL_7T8R
V0225AZ
DIG_CTRL_8T7R
0.1UF
39PF
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
7
6
3
1
8
5
4
2
G1
U709
SKY13251
C797
100PF
C704
L701
3
2
Q713
1
3
2
Q774
R818
C779
C777C775
R778
R776
R773
R772
C771
8.2
62PF
5.6K
390NH
100PF
180
33
33PF
39
1000PF
NE68519
NE662M04
DC_LIN_1_5V
100PF
R813
Q712
1
4
R812
C813
82
1PF
680
BC858CD
BC858CD
22K
DC_LIN_1_5V
C802
C701
43
5
1
6
2
Q712
R815
C810
R811
R809
R807
R808
L806
C814 C816
L817
5.6K
1000PF
24
82K
220PF
220PF
39
390NH
33PF
390NH
.22UF
C709
R705
R708
C820
R819
270
100
220PF
10
220PF
R701
R848
C836
100
15
47PF
TL_TX_LO
OUT
220PF
C806
C702
3
12
4
Q842
C851
R840
R849L846
C844C838
4
3
5
Q703
1
6
2
Q703
R832
L821
R827
R822
R833
R823
DC_LIN_1_5V
390NH
.22UF
6.2K
560
BC858CD
15
220PF
100
390NH
NE662M04
56K
1000PF
15
20K
47PF
BC858CD
C830
220PF
1
TP780
TEST_POINT
RF_PRESCALAR
OUT
309MHZ/379MHZ
V0225AZ
Y704
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
C789
C796
DIG_CTRL_VTUR1
DIG_CTRL_UR2
ANA_VTUNE
100PF
0.1UF
DC_SUPER_FILTER_5V
SEL2
VTUNE
SEL1
NC
GND6
GND3
GND4 GND5
POUT
VCC
GND1
GND2
7
5
3
12
10
9
8
6 2
DIG_CTRL_UT1
DIG_CTRL_UT2
C790
DC_SUPER_FILTER_5V
4
C793
11
NC
1
Y705
100PF
415MHZ/485MHZ
0.1UF
V0225AZ
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
2
G1
U708
SKY13251
NC
7
6
3
1
8
5
4
U710
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
7
6
3
1
8
5
4
2
G1
SKY13251
C799
100PF
RF_ESCORT
OUT
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
C804
C805
8
5
4
2
G1
U711
100PF
SKY13251
100PF
7
6
3
1
NC
1
2
3
NC
NC
4
5
6
Q714
NTZD3154N
22PF
C798
R711
22PF
RF_ESCORT_DIV2_NONINV
R709
R710
C801
L802
C803C800
6.8PF
200
33NH
68
68
1000PF
IN
R714R712
R713
C831
560
560
10
100PF
TL_RX_LO
OUT