PYE OLYMPIC M201 - Page 65

1V RMS
-Ve
PD.
3
0,6V RMS
INJECT
A = OV
B = 0,5uV
C = 500uV
30 ° A MOD
AT 1KHz
13,8V D.C.
D.C.
9,9V
TO
10,2V
10V DC
L. . .... ...
 (
ITP1
TP1
mom
NOISE
SQUELCH
2,0V D.C.
4.2
TOP VIEW
A = 0,35V
B = 2,05V } D.0
C = 2,3V
4.1
1V D.C.
3.1
SQUELCH ANALYSIS
(SEE TEXT)
TP1
14 RV2 TO
THRESHOLD
A =1,1V D.C.
(CLOSED)
B = 0,25V D.C.
(OPEN)
 13.2
B & C
100 mV RMS
3.4
TP1
INJECT
25 uV PD.
AT 10,7MHz
30% MOD
AT 1KHz
4
FILTER CHECK
(SEE TEXT)
4,7 V D.C.
4.4
A = 4,7V
B 4,7V D.C.
C 3,0V )
ANTENNA
SOCKET
3.3
-Ve (FILTER
CHECK ONLY I
4.4
" 11 
TP1© [
- 4
11, . - NOISE
AMPLIFIER 
LIMITER
3.1
5
4 4.1
3
10,7MHz
FILTER
 3.4
A.F.
AMPLIFIER
VOLUME
SQUELCH
TP1©
NOISE
SQUELCH
3.2
2
13
ANT.
FILTER
RX
R.F.
AMPLIFIER
TX
SQUELCH I DELAYED
AMR DET. I  A.G.C.
OSCILLATOR OSCILLATOR
MULTIPLIER
4.19