Quote:
Originally Posted by FrankB
G6Tanuki- The 100 cycles is what most of the U.S. vibrators operate at. Supposedly that is filtered out. Not always though.
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This issue was mechanically conducted vibration wobbulating the local oscillator. Which meant listening to SSB or CW was a horrible experience.
I looked at the LO on a speccy, it was producing a 'carrier' about 400Hz wide on 14MHz.
Testing for microphony is frequency dependent!!