THREE_INPUT_TRIGGER

Published:2009/7/23 21:11:00 Author:Jessie | From:SeekIC

Digital logic permits use of only one Schmitt trigger for monitoring number of variables that can have different voltage levels at which trigger action is desired. Potentiometers provide independent control of set points for each positive input. Each input then triggers circuit independently at its particular theshold, pro vided circuit was not previously triggered. Circuit is taken from NASA-SP-5022 Technology Utilization Report, Lewis Research Center.-Multiple-Input Trigger Circuit, Electromechanical Design, Nov. 1965, p 66.



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