CODE_PRACTICE_OSCILLATOR_I

Published:2009/7/10 2:49:00 Author:May | From:SeekIC

Q1, a unijunction transistor, generates a sawtooth of about 1.5 to 2 kHz, depending on C1 and R1. Q2 acts as a speaker driver. A 9-V battery is used, and the keying is done by keying the supply line.



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