UJT_TIMER

Published:2009/7/23 22:26:00 Author:Jessie | From:SeekIC

Charging current of C1 should be greater than 2Gmicroamp peak-point current at which Q3 is triggered and less thon 8-ma sustaining current of Q3, so ujt will turn off after it is triggered. 2N2422A may be used for Q3.-A. A. Lampell, Off-the-Shelf Integrated Circuits for Versatile and Accurato Timer, Electronics, 38:25, p 70-73.



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