ELECTRONICS
Op-Amp Astable Multivibrator
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CASE ANALYSIS
Scenario
Design an op-amp astable multivibrator to generate a square wave without external trigger.
Key decisions
- Choose resistor values R1, R2, R3 and capacitor C1 to set frequency and duty cycle.
- Select op-amp with rail-to-rail output for symmetric swing.
When to reuse this
Use this circuit for clock generation, tone generation, or pulse-width modulation when a stable square wave is needed.
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circuit-op-amp-astable-multivibrator-square-wave-oscillator