IFR COM-120B - Page 167

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A
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c
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Jrd LO
(S'I'N TRAY)
~
,.t .. ~
90YHz
(RC~lI TR~Y)
~
=
1------------------... .. IS:::Ir------- 90 11Hz ---- ...
• - ""-/ • (lIl-9:; 11Hz)
SWEEP
CENT!Fhtlifr;
(UO~-FBOARO)
[RAIOP C\.OOC
ANLZR BLANK
lWHZ
(I'EF F~o.)
=
. '
+1"/+'0
+r.+llJ/.,oo
-- '11Hz
SWEEP LOCK
SWEEP 'JCO
(116.:}-'28.J 11Hz)
SAUPU: II HOlD INTEGRATOR
CONTROL
SQUARING
L,_
u. -{>-----. .. :1_44--J1---- '"H,
F
G
H
,-------- 313 11Hz IJ' --------,
JJ.3 11Hz
:; 11Hz 8W
IFf"
lJ.J .. H'---------1r-- ....... ~J--- ..
-x:"
77.3-79.3 .. ",
.. .,_,,,,""' A ~""'
(SWEEP) -W-
4411HZ
aPF
lrd Ul)([R
'---- lDNR1RC
'----ZERO-SCAN
4~H.t VCO
..
44MHz PLL
SQUAllING
-
313 11Hz
511Hz 8W
IFf"
44
J
K
2nd IIllCER
... 11Hz
L
,--------- '0.7 IIH, IF
'0-7 11Hz
l IIHI BW
lPf"
SWEEP OSC
(G£H TRAY)
SWEEP LOCK ---~
4411Hz LOCK ---~
LOCK
DETtCT
'-- __ ~ ____ -'t
A· • .A~Yi'ER oOCO-a731-300 PE."'.; 5tlEE.~ 7 OF'
10.7.
l "Hz
8Pf
ANALYZE
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