Audio Square Wave Generator

Square Wave Generator : Circuit Diagram and Its Advantages

https://lambdageeks.com/what-is-a-square-wave-generator-circuit-diagram/

A square wave generator using an operational amplifier is also called an astable multivibrator. When an operational amplifier is forced to operate in the saturation region, it generates square waves. The output of the op-amp swings between the positive and the negative saturation and produces square waves.

Sine/Square Wave Audio Generator - Elenco

https://shop.elenco.com/consumers/sine-square-wave-audio-generator.html

Sine/Square Wave Audio Generator Sine and Square Wave Generator 20Hz to 150kHz in 46 Steps Low Distortion RC Oscillator Variable Output Control Low Battery Indicator Compact portable; lightweight Test leads included (banana to alligator clip)

100KHz square wave generator for testing audio amplifiers ...

https://myelectrons.com/100khz-square-wave-generator/

Square wave test signal generator C1 = 1 nF R1 = 6.2 kOhm R2 = 1 kOhm R3 = 300 Ohm R4 = 5 kOhm C2 = 1 uF C3 = 10 uF 25 V C4, C5 = 0.1 uF Obviously testing audio amplifiers with the test signal well centered relative to the ground is very convenient.

Online Tone Generator - Free, Simple and Easy to Use.

https://onlinetonegenerator.com/

Simply enter your desired frequency and press play. You will hear a pure tone sine wave sampled at a rate of 44.1kHz. The tone will continue until the stop button is pushed. The tone generator can play four different waveforms: Sine, Square, Sawtooth and Triangle. Click on the buttons to select which waveform you would like to generate.

Sound Wave Generator, Free - Make Sound Wave Art - …

https://www.veed.io/tools/music-visualizer/sound-wave-maker