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P-57A
NOTE:
Adjust the genescope output so that
(1) Pull out the core of T802 and feed in a weak signal
there is a little noise riding on the
leading edge.
from the genescope. Adjust T801
for maximum gain
and the wave form indicated in Figure 16. If the center
of the wave form cannot be lined up on the marker,
adjust the right/left balance.
(2)
Use the T802 core to form the S-curve shown in Figure
17. Adjust the symmetry of A and B about point C for
Grundline
linearity.
Fig. 16
(3)
Feed in a weak signal from the genescope. Adjust T803,
T804 and T805 for maximum
gain and the waveform
of Figure 18.
If the waveform
cannot be lined up on the marker,
adjust the right/left balance.
c
;
Grundline
(\
Fig. 17
Signalgenerator
UKW-Kunstantenna
Adjust the genescope output so that
i
ee eet
——
there
is a little noise
riding on the
|
<p
leading edge.
9
5-5
|
|
Grundline
Dae:
Rg: Impedanz des
Signaigenerators
Fig. 15
:
Fig. 18
ADJUSTMENT
AND PARTS
LOCATION
cT803
T803
1@QOKHz
460KHz
CcT8O
1OGMHz
1805
D T804
460KHz
CT804
460KHz
iS)
9} iesoKkz
S
icgol
ame
[AA]L8O3
jz
[DeSean
L802
HOI te
Tol
TPSO!
10.7MHz
T802
10.7MHz
1S] L806
SISKHz
CT806
360KHz
=) L807
(45KHz
cT80s
330KHz
-~16—
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