How to build Triangle and Squarewave Generator

December 27, 2010 - category: Miscellaneous oscillator


Here is a simple triangle/squarewave generator using a common 1458 dual op-amp that can be used from very low frequencies to about 10 Khz. The time interval for one half cycle is about R*C and the outputs will supply about 10 milliamps of current. Triangle amplitude can be altered by adjusting the 47K resistor, and waveform offset can be removed by adding a capacitor in series with the output.

Circuit diagram

Triangle and Squarewave Generator-Circuit diagram

circuit from http://www.bowdenshobbycircuits.info/

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