Motorola HT1250-LS+ - Figure 5-10. 200 Mhz Voltage Controlled Oscillator Schematic Diagram

5-12 Schematic Diagrams, Overlays, and Parts Lists
C3842
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
NU
C3833
1.6pF
0.1uF
C3811
0.1uF
C3824
27pF
1000pF
C3852
TRB
C3831
8200pF
C3829
C3843
1000pF
R3818
1000pF
1000pF
C3832
1uH
L3826
1uH
7.5pF
C3848
19
16
TX_BASE
15
TX_EMITTER
1
TX_IADJ
10
TX_OUT
13
TX_SWITCH
14
VCC_BUFFERS
18
VCC_LOGIC
TX_INJ
17
12
PRESC_OUT
5
RX_BASE
6
RX_EMITTER
2
RX_IADJ
8
RX_OUT
7
RX_SWITCH
3
SUPER_FLTR
TRB_IN
4
COLL_RFIN
20
FLIP_IN
11
GND_BUFFERS
9
GND_FLAG GND_LOGIC
R3825
33
U3801
50U54
RX_INJ
33
22K
22K
R3824
6.8pF
C3816
6.8pF
1uH
L3813
1uH
33K
33K
R3823
00
910
R3854
R3817
BIAS_ADJ
R3821
220
220
47
47
VSF
R3834
D3832
1SV229
R3801
R3804
0
0
R3803
2
3
4.7K
R3855
D3831
1
C3826
4.7pF
R3852
4.7pF
150
47nH
L3821
27nH
L3833
VSF
C3810
12K
VCO_MOD
R3832
12K
R3831
10K
10K
R3816
1K
1K
18
18
2.4pF
R3826
.01uF
C3853
C3813
.01uF
C3849
1000pF
VCTRL
1000pF
C3823
0
0
R3829
L3822
220
18nH
47K
R3833
220
R3835
47K
4.7pF
C3835
L3811
100nH
100nH
.022uF
C3818
.022uF
L3832
27nH
L3809
27nH
47nH
L3831
C3821
27pF
C3809
27pF
T5
C3834
27pF
Q3802
BFS540
1
3
2
3.6K
R3828
L3823
100nH
L3825
10K
R5
R3836
10K
C3812
0.1uF
0.1uF
R3812
1000pF
C3822
47
47
1uH
R3822
1uH
L3824
C3827
510
R3810
C3870
1000pF
C3850
15pF
8.2K
R3850
100nH
0
L3816
100nH
R3802
0
56nH
2%
L3812
1uH
L3834
1uH
VSF
PRESC
15pF
C3825
15pF
3.3V
C3830
12pF
R3830
56nH
L3850
15pF
100nH
15pF
C3836
1000pF
L3870
1
2
3
C3815
1000pF
D3821
C3808
15pF
15pF
R3811
100
100
Figure 5-10. 200 MHz Voltage Controlled Oscillator Schematic Diagram