Published:2009/7/14 1:29:00 Author:May | From:SeekIC
Triggered by coupling emitters of transistors Q1 to common bus, to permit both forward and reverse operation. Use of pnp-npn pairs reduces power requirements, improves load capacity, increases speed, and simplifiers circuits.-N. C. Hekimian, PNP-NPN CIRCUITS: New Look at a Familiar Connection, Electronics, 35.47, p 42-46.
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