Published:2009/7/7 2:16:00 Author:May | From:SeekIC
Low-level output of CMOS buffer turns on DC motor through Q1 and 20-A Darlington power transistor Q2.-A. Pshaenich,” Interface Techniques Between Industrial Logic and Power Devices,” Motorola, Phoenix, AZ, 1975, AN-712A, p 18.
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