Norton_amplifier_with_dc_gain_control

Published:2009/7/17 4:17:00 Author:Jessie | From:SeekIC

This circuit uses one section of an LM3900 to form an ac amplifier with a variable gain control. The dc gain-control input ranges from 0 V for minimum gain to about 10 V for maximum gain. National Semiconductor Linear Applications Handbook, 1991 p.221



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