PWM with 4093

Pulse Width Modulator

Parts List:

R1 = 330 ohm
R2 = 1 MegaOhm
P1 = 100K potentiometer (Lin)

C1 = 0.1uF, ceramic
C2 = 0.01uF, ceramic
C3 = 0.01uF, ceramic

D1 = 1N4004 (or Schottky)
Led = Your choice
Q1 = IRF513, T-MOSFet
FB = Ferrite Bead (see text)
IC1 = MC14093, Quad 2-input NAND Schmitt Trigger


Copyright © 2002 – Tony van Roon.

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