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Old 6th Mar 2021, 3:00 pm   #8
Refugee
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Join Date: Apr 2012
Location: Worksop, Nottinghamshire, UK.
Posts: 5,549
Default Re: Noise in receivers

You can demonstrate the AGC effect quite well by recording with a germanium transistor shoe box tape recorder.
If you leave long pauses in speech in a quiet room you can hear the noise come up as the AGC cranks the gain up.
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