AUDIO_GENERATOR_CIRCUIT

Published:2009/7/20 4:17:00 Author:Jessie | From:SeekIC

A very compact audio signal generator can be constructed using a precision waveform generator IC (ICL8038) made by Harris Semiconductor. This IC is unique in that it will generate three wave-forms: sine, triangle, and square waves. The frequency output is adjustable between 0.01 Hz and 300 kHz, and the sine-wave output distortion is less than 1 percent. The schematic diagram illustrates the application of the ICL8038 IC to construct a battery-powered mini-audio-signal generator that will provide 500 Hz to 1.5 kHz with adjustable-amplitude output. The output frequency of the generator is set by the combination of R2, R3, and



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