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High frequency PWM with NE555 (1)

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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.

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Profile image for xoman1

XOman1

10 Circuits

Date Created

1 year, 7 months ago

Last Modified

1 year, 7 months ago

Tags

  • 555 pwm
  • 555 timer applications
  • 555 adjustable duty cycle astable multivibrator
  • 555 variable duty cycle astable multivibrator
  • 555 high frequency pwm
  • 555 variable duty cycle fixed frequency
  • 555 variable duty cycle constant frequency
  • buck converter pwm
  • boost converter pwm
  • 555pwm

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High frequency PWM with NE555

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