HIGH_IMPEDANCE_SCHMITT

Published:2009/7/21 9:12:00 Author:Jessie | From:SeekIC

Use of let Q1 for input stage gives high input impedance, as required for threshold detector circuit. Output pulse is square wave at up to 100 kc triggering. Turnoff threshold is about 0.2 v below turnon.-L. R. Lott, FET Increases Schmitt Trigger Input Impedance, Electronics, 38:15, p 65.



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