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SUGGESTED INSTRUMENTATION HOOKUP- FM ALIGNMENT
OSCILLOSCOPE
t
t
i
i
i
|
'
X INPUT
t
'
!
1
1
1
OSCILLOSCOPE
FM GENERATOR
WITH BUILT-IN SWEEP
IE: ST 1000A
FREQ. COUNTER
DISTORTION METER
DETECTOR PROBE
PICTORIAL DIAGRAM
SCHEMATIC DIAGRAM
i
CENTER LEAD
330p
D2
OUT TO SCOPE
c1
D2
»
TO RCOBE
FROM TUNER >
TO PIN 1
Keep leads as short as possible, to
minimize stray signal pickup,
TO TUNER GND.
AT FRONT END
Diodes should be point-contact
germanium: some types commonly
GLUE.
available are:
OA80
INDUCTOR
TEST PROBE
seen
BRASS, FERRITE
1N60
FERRITE
FROM RF COIL.
ie
THIN BRASS,
obama
FASTEN WITH
SEI IMTE RBCS
2.5mm APPROX
WOOD OR PLASTIC
8
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