NEGATIVE_LOGIC_LAMP_DRIVER

Published:2009/7/21 22:25:00 Author:Jessie | From:SeekIC

Uses one scr and only five components per lamp, to switch lamps rapidly, without relays or ex costive loading of control source. Positive test signal at B checks circuit and lamp, Control signal (-8 v) forward-biases gate electrode and scr fires during positive ac halfcycles.-A. E, Popodi, Reliable Repertoire Of Display Circuits, Electronics, 38:2, p 60-66.



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