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5
AM NOISE CANCELER ADJUSTMENT
Connection:
SSG
2-signal pad
Pulse generator
(equivalent to HP8011A)
Setting of the pulse generator (setting of
superimposed pulse)
4Vp-p(EMF)
50us
5ms
Adjustment:
1. Setting of SSG
Receiving frequency
Percentage modulation : 30%
Modulation frequency : 400 Hz
Antenna input
2. T
3.
signal with the above-mentioned pulse and
4. Variable resistance adjust noise level to a
minimam.
Adjustment point : VR561
5
6
Output
AM dummy
Noise meter
FX-M8427ZT/UC
Pulse width
:50usec
Pulse intervals :5msec
Pulse voltage :4Vp-p
: 1,000 kHz
: 74 dBuV (EMF)
.
FX-M8427ZT/UC
6
7
7
8
A
B
C
D
E
F
55
8
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