High frequency PWM with NE555
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The circuit is a variable duty cycle, constant frequency, astable multivibrator using the 555 timer.
Diodes Dchg and Ddchg separates the charge and discharge paths respectively. They also maintain a symmetrical voltage loss along the two paths. R1 and R2 adjust the duty cycle with slight effect on frequency.
To change the frequency, change the value of Ct.
Creator
XOman1
10 Circuits
Date Created
1 year, 6 months ago
Last Modified
1 year, 6 months ago
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