Vhf Voltage Controlled Oscillator Schematic Diagram - Motorola GP328 Plus Service Manual

Circuit Board/Schematic Diagrams and Parts List
R5
R5_1_VCO
R3802
100
C3804
0.1uF
L3801
R3807
100nH
NU
RX_INJ_1_VCO
RX_INJ
R3806
C3801
Q3801
22
4.7pF
R3801 C3802
NU NU
R3804
10K
R3808
10
C3803 R3803
1000pF 220
ZMY0130791-O
SH3801 SH3802
SHIELD SHIELD
1 1
Vdda_3_VCO
R3811
100
C3810
L3811 C3811
L3812 C3812
NU 100nH 0.1uF
0.1uF
100nH
U3801 50U54
C3806
100pF 10
TX_OUT
8
RX_OUT
12
PRESC_OUT
C3805
R3805 7
RX_SWITCH
4.7pF
24K 13
TX_SWITCH
C3808
15pF
C3809 L3809
27pF 27nH
T5_1_VCO
T5
TX_INJ_1_VCO
R3816
PRESC_1_VCO
1K
VSF
L3816
TX_INJ 100nH
C3816
6.8pF
VSF
Vdda
VSF_1_VCO
L3813
1uH
R3817
0
C3822
C3813
1000pF
.01uF
R3818
R3822
NU
47
C3818
022uF
R3821
220
1
TX_IADJ
2
RX_IADJ
R3825 R3826
3
SUPER_FLTR
33 18
4
COLL_RFIN
5
RX_BASE
6
RX_EMITTER
16
TX_BASE
15
C3823
TX_EMITTER
20
.01uF
FLIP_IN
R3831
19
TRB_IN
10K
C3821
.01uF
R3832
12K
C3832
C3815
1000pF
R3834
1000pF
47
R3833
R3830
R3829 C3833
220
0
NU
4.7pF
TRB
TRB_1_VCO
R3835 R3836
47K 10K
VSF
PRESC
D3832
C3825 C3830
15pF 68pF
C3824
L3821 L3822 L3823
56pF 56nH 47nH
47nH
C3826
4.7pF
L3826
1uH
R3812
BIAS_ADJ_1_VCO
NU
BIAS_ADJ
R3824 R3823 C3827
33K
22K .022uF
C3835
6.8pF
D3831
C3836
15pF
L3833
C3834 L3831 L3832
56nH
56pF 56nH 68nH
VCO_MOD
VCO_MOD_1_VCO

VHF Voltage Controlled Oscillator Schematic Diagram

5A-25
D3821
L3824
VCTRL_1_VCO
1uH
VCTRL
R3828
100
L3825 C3828
.01uF
100nH
C3829
.01uF
C3842
L3834
1000pF
1uH