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OpenSpecEngineering

Open data for a field built on precision

555 Timer (Astable Mode)

Output frequency f = 1.44/((R₁+2R₂)C) and duty cycle D = (R₁+R₂)/(R₁+2R₂) for the classic 555 astable multivibrator.

555 R1 R2 C out
Standard 555 astable configuration: R1, R2, and C set frequency and duty cycle.

Solution

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