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My best guess is that the "cloners" didn't take into account RF pickup by
the headset leads and you are getting RF into the mic circuit, which
rectifies in the first transistor junction it comes to, becomes an audio
signal, feeds itself into the transmitter modulator, gets on the output,
feeds itself into the headset leads, and round and round we go.
Jim
"Stealth Pilot" <tailwind@iinet.net.au> wrote in message
news:39irk29ijpe5o0o14fo7e40l745431edbg@4ax.com...
>
> radio is an icom a200
> headset is a clone of a dave clark
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Re: radio squeal question.
