Heathkit H9 Manual page 75

Page 73
INTEGRATED CIRCUITS
0u l
s.VOLT REGULATOR
OUT
2O-VOLT REGULATOR
442-609
C O MM O N
INPUT
CON TRO L
( TO P V ITW }
OUT PU T
GND
SYNC IN
SAW TO O TH
D UTY
C Y CtE
R- C
PHASE
DET. O UI
I
I
tt
8
-L
2
I
7
I
3
I
6
J
4
I
5
PHASE-LOCKED
LOOP OSCILLATOR
.,,4
":.
12-VOLT REGULATOR