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Subject: preamplifier circuit needed
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Date: 12/05/00 at 5:23 PM
Posted by: Alan Dorman
I have a battery operated tape player and want to play it into an ADC that needs a 5 Volt peak to peak signal into it. Where can I find a preamplifier circuit that will allow me to amplify the audio signal out of the tape players earphone jack to the 5 Volt level that the ADC needs?
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