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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)
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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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Profile image for rembus1

Rembus1

10 Circuits

Date Created

5 years, 2 months ago

Last Modified

5 years, 2 months ago

Tags

  • function generator
  • voltage-controlled oscillator
  • voltage to frequency converter
  • 555 timer voltage to frequency converter
  • 555 timer vco
  • 555 voltage to frequency converter
  • 555 timer vfc
  • 555 voltage-controlled oscillator
  • 555 vco
  • 555 timer voltage-controlled oscillator

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

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