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555 Timer - Op-Amp VCO (Square, Triangular, and Exponential Output Waveforms)

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555 Timer - Op-Amp VCO (Square, Triangular, and Exponential Output Waveforms)

Circuit Description

Single-supply voltage-controlled oscillator using 555 Timer, Op-Amp, and NPN BJT. The 555 timer functions only as inverting comparator with hysteresis. The output signals are square, triangular, and exponential waveforms. Rxpchg, Rxpdch, and Cxpl determines the rise and decay times of the exponential output waveform.

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Creator

omar_alamri

1 Circuit

Date Created

5 years, 7 months ago

Last Modified

5 years, 7 months ago

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555 Timer - Op-Amp VCO (Square, Triangular, and Exponential Output Waveforms)

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555 Timer - Op-Amp VCO (Square, Triangular, and Exponential Output Waveforms)

Circuit Description

Creator

omar_alamri

Date Created

Last Modified

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Circuit Copied From

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