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electronics · oscillators · analog circuits

Op-Amp Astable Multivibrator

Type Circuit schematicStandard IEEE Std 315 / ANSI Y32.2Engine schematex-circuitUpdated 6/26/2026
Op-Amp Astable Multivibrator
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The request

“An op-amp astable multivibrator with a 15 V supply, a 10 kΩ resistor from the non-inverting input to ground, a 10 kΩ feedback resistor from output to the non-inverting input, and a 10 kΩ resistor plus 100 nF capacitor timing network at the inverting input.”

Then tryChange the timing capacitor to 1 µF.Add an output LED with a series resistor.
What is in this drawing

Read the decisions behind it.

01

Choose resistor values R1, R2, R3 and capacitor C1 to set frequency and duty cycle.

02

Select op-amp with rail-to-rail output for symmetric swing.

Use this circuit for clock generation, tone generation, or pulse-width modulation when a stable square wave is needed.

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