BOOTSTRAP_CIRCUIT

Published:2009/6/23 2:33:00 Author:May | From:SeekIC

Bootstrapping the substrate of a JFET amplifier reduces the distortion caused by the nontinlearity of the JFET input capacitance. In the figure, a second feedback divider bootstraps the substrate of U1. With R1=500 kΩ (source im-pedance), THD at 10 kHz was reduced an order of magnitude.



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