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diode vca - build and measured. what amplification for output signal?
diode vca - build and measured. what amplification for output signal?
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Old 22nd April 2007, 02:45 AM   #11
Gold_xyz is offline Gold_xyz  Italy
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Join Date: Dec 2005
Location: Italy
the classic VCA with Vactrol

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and my schematics VCA for telephone...

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http://img143.imageshack.us/img143/4154/sptelxx0.gif

If I remove the output capacitor of tda2822 I can to have the
Vdc for biasing the LED...
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