INDEPENDENT_CONTROL_MVBR_TESTS_TRANSPORT

Published:2009/7/24 4:44:00 Author:Jessie | From:SeekIC

Timing resistors of conventional astable are replaced by adjustable constant-current sources using transistors Q3 and Q4. R7 controls mark/space ratio and R10 con trols frequency.-C. J. Dakin, Novel Multivibrators Test Tape Transports, Electronics, 37:7, p 40-43.



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