4_DECADE_SQUARE_WAVE_GENERATOR

Published:2009/7/10 4:21:00 Author:May | From:SeekIC

This circuit will generate a square wave of 2 Hz to 20 kHz. The circuit uses an op amp in a relaxation-oscillator configuration. The output is about 15 VPP. R1 through.R4. are calibrols for the four frequency ranges, as selected by S1-a and 51-b. R10 adjusts the output level.



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