Electronics 01
555 Timer Frequency Formula: Where 1.44 Comes From
f = 1.44/((R1 + 2R2)C). Why 1.44 is 1/ln 2, why duty cycle can't drop below 50%, and why the diode fix misses 50% at 5 V. Worked 1 kHz example.
f = 1.44/((R1 + 2R2)C). Why 1.44 is 1/ln 2, why duty cycle can't drop below 50%, and why the diode fix misses 50% at 5 V. Worked 1 kHz example.