"Reverse" modulation hum

[J. Forster]

Heater-cathode leakage or bad bypass cap in the IF?

The AGC cranks up the gain w/o a signal.

FWIW,

-John

===============


> Strong humming noise heard only between stations, not while tuned to a
> station. Doesn't sound the same as pwr supply "bad caps" hum and is
> stronger. Ideas ???
>
>
> Bob  AG5X
>
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