Radio Amateur Quiz Canadian License

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Question A-002-012-007

A device which helps with receiver overload and spurious responses at VHF, UHF and above may be installed in the receiver front end. It is called a:

Correct Answer

helical resonator

Explanation

A helical resonator is a type of compact, high-Q resonant structure used as a narrow bandpass filter, particularly effective at VHF/UHF for improving receiver front-end selectivity and reducing overload.

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