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Spectra buzz on keyup
Posted: Thu Jan 18, 2007 8:17 pm
by courvillelpd
I have a VHF Spectra with the knob control head. When this unit is keyed up, there is a buzz that comes from the radio itself. It does not effect the transmit or receive on the radio, however it is very annoying to the operator. Any sugestions.
Posted: Fri Jan 19, 2007 1:01 pm
by rocketman
probably bad SM caps-the Spectra is well known for this problem.
Posted: Fri Jan 19, 2007 3:29 pm
by Rayjk110
If it is connected to a base power supply, it's probably just the power supply.
If it is in a mobile, and more of a high-pitched buzz, it could be the alternator.