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DIDS-402-2AMI3
EOl7321 (Mil
VIDEO PRE-
AMPLIFIER A7
VERT AND
HORIZ
DEFLECTION
AMPL ASSY A2
Figure 1-6.
Model
402 -2AM13
Display Terminal, Left View
1-2.10 Video Amplifier A8
The video amplifier (figure 1-7) accepts the amplified video output of the
preamplifier and amplifies the video signal to a level suitable for driving the
CR T cathode element.
In addition to amplifying video signals. the video
amplifier is re sponsible for blanking (cutting off) the CRT screen during horizontal
and vertical
retrace.
This prolongs the life of the CRT and provide s a clearer
display pre sentation.
1-9
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