555 Astable Multivibrator

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SPICE simulation of a square wave generator with a frequency fixed by the external components to IC 555.F= 1.45/[(RA+2*RB)*Ct].The time when the output is high is given by Th= 0.693*(RA+RB)*Ct, the time when the output is low is Tl= 0.693*RB*Ct.The total period T = Th + Tl = 1/F.

  • Free
  • Simple
  • <10
  • Altium Designer
  • summero09+
  • Yes
  • Trigger and output waveform Operating point


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