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Subel. D
6 questions
Subelement D

Display & Control Systems

Section 30

Video Amplifiers and Sweep Circuits

What are the usual input signals to the video amplifier?

  • Low level video.
  • Fixed range rings.
  • Variable range rings.
  • Correct Answer
    All of the above.
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Which of the following would not normally be an input to the video amplifier?

  • Fixed range rings.
  • Variable range rings.
  • Correct Answer
    Resolver signal.
  • Low level video.
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The purpose of the sweep amplifier is to:

  • Increase the power of the video amplifier.
  • Correct Answer
    Drive the CRT deflection coils.
  • Drive the resolver coils.
  • All of the above.
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How many deflection coils are driven by the sweep amplifier?

  • 4
  • 3
  • Correct Answer
    2
  • 1
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The main purpose of the sweep generator is to provide:

  • Antenna information.
  • Range rings.
  • Composite video to the cathode of the CRT.
  • Correct Answer
    The drive signal to the sweep amplifier.

Hint: “sweep” appears in both the question and the correct answer. Generators can drive electronic devices. KD9TIP

Last edited by jukesj01. Register to edit

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The main purpose of the video amplifier is to provide:

  • Correct Answer
    Composite video to the cathode of the CRT.
  • Resolver signals
  • Antenna X and Y signals.
  • Provide the drive signal to the sweep amplifier.
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