This be Control signal Automatic Fader circuit , help fine decorate or control sound signal tallly or low follow want. In model the automatic convenient for the system electricity guitar , side sound of music work. By this circuit uses FET , then have tall rapidity , there is the crazy low and [...]
Here is Circuit classic Wien Bridge oscillator using an Op-Amp covering a frequency range of 15 to 150kHz in four switched steps.
Two conditions exist for a sinusoidal oscillator. Regenerative or positive feedback, and a closed loop gain of unity. The losses in the wien feedback circuit, are such that the open loop gain of [...]
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Mr. chai is want circuit Function Generator with IC 8038 for see guideline repair circuit. I find in web http://www.mitedu.freeserve.co.uk/Circuits see to this circuit very work sure.
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Built around a single 8038 waveform generator IC, this circuit produces sine, square or triangle waves from 20Hz to 200kHz in [...]
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