A signal generator circuit ideal for electronic enthusiasts looking for a sine and square wave generator in the audio frequency range. It is also an instructional tool that can be used to display waveforms on an oscilloscope. The circuit is based on a Wien-Bridge oscillator and can produce frequencies from approximately 40Hz to 2.5KHz or from 2.5KHz to 10KHz depending on the position of the range select switch. Supply voltage: 9V DC @ 20mA. Includes 6 x AA size battery holder.
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