Astable 555 supply voltage dependent frequency
capacitor - 555 Timer with 50% duty cycle - Electrical Engineering Stack Exchange
555 circuits using the 555 Timer as an Astable Oscillator
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![50% Duty Cycle Astable Oscillator [www.google.com] | Download Scientific Diagram](https://www.researchgate.net/profile/Promise-Elechi/publication/281862359/figure/fig2/AS:286221584220161@1445251951862/50-Duty-Cycle-Astable-Oscillator-wwwgooglecom.png "50% Duty Cycle Astable Oscillator [www.google.com] | Download Scientific Diagram")
50% Duty Cycle Astable Oscillator [www.google.com] | Download Scientific Diagram
555 circuits using the 555 Timer as an Astable Oscillator
generator - 555-timer circuit supposed to give 50% duty cycle square wave doesn't - Electrical Engineering Stack Exchange
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independent control of frequency and duty cycle in 555 timer (formulas) - Electrical Engineering Stack Exchange
