Radio Amateur Quiz Canadian License

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Question B-003-017-011

You have a very loud low-frequency hum appearing on your transmission. In what part of the transmitter would you first look for the trouble?

Correct Answer

The power supply

Explanation

A loud hum (typically 60 Hz or 120 Hz in North America) on transmit strongly suggests inadequate filtering (bad capacitors) in the power supply.

Warning: Generated by AI