OPAMP_TESTER

Published:2009/7/11 5:12:00 Author:May | From:SeekIC

Developed for quick testing of 741 and 301 opamps. For good opamp, LEDs flash alternately with 1-s period. No flashing and no illumination indicate opamp output fault. If one of LEDs glows continuously, one of inputs is faulty. Asymmetrical blinking indicates leakage in opamp.-Circuits, 73 Maga-zine, March 1977, p 152.



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