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Audio Signal Generator

Very often electronic technicians need an audio signal to test amplifiers, speakers, headphones, etc. This Project is a simple audio signal generator that operates on the same principles as the ones used in professional electronics laboratories.

This circuit is an audio oscillator similar to those we've used in earlier Projects see Oscillator Section. Here you connect the circuit or component you want to have tested, like an amp lifer or the Speaker.

You can adjust the tone of the audio signal using the Control Knob. Audio signal generators are often used to adjust stereo equipment. They help make sure the tone that goes into a stereo amplifier is the same tone that comes out of the amplifier. If the amplifier changes the tone of the signal, this is called distortion.








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