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Wave analyzer is also known as

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UPSC ESE Electronics & Communication 2022 Official Paper
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  1. selective level meter
  2. precision receiver
  3. modulation analyzer
  4. audio analyzer

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Option 1 : selective level meter
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The electronic instrument used to analyze waves is called wave analyzer.

It is also known as Signal analyzer.

A wave analyzer is an instrument designed to measure relative amplitudes of single frequency components in a complex waveform. Basically, a wave instrument acts as a frequency selective voltmeter which is tuned to the frequency of one signal while rejecting all other signal components.

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