How to build Triangle / Squarewave Generator

October 12, 2010 - category: Miscellaneous oscillator

Circuit diagram

Triangle / Squarewave Generator-Circuit diagram

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.

author: Bill Bowden
circuit from http://www.geocities.com/

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