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Old 02-14-2013, 04:34 PM
bob91343 bob91343 is offline
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Join Date: Nov 2010
Posts: 745
It's likely a bias issue. Tap from the detector output to an external audio amplifier and see what you get. Feed in a modulated signal and look at the detector output, and each stage prior to see what damage is being done to the waveform.
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