Traditional 555 Config.

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03:15:27

Figure 8L.8 LTAoE. Freq = 1 / (0.7 x C x [Ra + 2 x Rb] ). Where Ra is upper resistor and Rb lower resistor, and C is capacitor in Pin #2. True 50% cycle: Diode in parallel to Rb.

Changing the duty cycle: t_{high} ~ 0.693 x Ra x C. t_{low} ~ 0.693 x Rb x C.

published 3 weeks ago

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