Service manual

VCOs
FIGURE 3-40
3-50
March 2000
Part No. 001-3139-502
802
WO
WO
801
C
B
E
Q801
C808
C807
TO RESONATOR TRAP
R805
R806
C802
L804
C805
R814
803
WO
WO
806
WO WO
WO
808
807805
+12V
GROUND
CONTROL IN
RF OUT
GROUND
804
WO
MOD IN
GROUND
C810
C809
R801
R802
R802
C811R803
R807
C813
L805
CR802
C
B
E
Q802
+
+
+
C806
R804
CR801
C804
C812C803
+
1300
+12V
OSCILLATOR
+12V
10
27pF
3.6k
.039uH
27pF
27pF
5.1k
.039uH
6.2k
RF OUT
.039uH
+
15
CAPACITIVE
MULTIPLIER
MOD IN
TO RESONATOR TAP
CONTROL IN
C805
C806
R804
L804
CR802
C804
C803
1pF
CR801
C802
R801
C807
R802
C809
Q801
L803
C810
C811
R803
R805
R806
C812
C813
Q802
L805
R807
1.5pF
27pF
C808
3
2 TRANSMIT VCO ONLY.
2
2
2
3
3
3
33
33
3
3
C805
.1uF.47uF
2.4pF2.7pFC804
C806 1uF
C812
4.7pF 3.9pF
C813
6.8pF 5.6pF
DESIG
RX TX
CR802 105G
HYPER
R803 10 100
NOTES:
R804 4.7k 12k
R807 180 240
3636
R814
10k
+12V
GROUND
GROUND
GROUND
1. RESISTORS ARE IN OHMS AND CAPACITORS
IN MICROFARADS UNLESS OTHERWISE SPECIFIED.
4.7uF