Mode
Astable (oscillator): find frequency and duty cycle
Monostable (one-shot): find the pulse length
Astable design: find R2 for a wanted frequency
R1
Unit
ohm
kohm
Mohm
R2
Unit
ohm
kohm
Mohm
C
Unit
pF
nF
uF
Wanted frequency (Hz)
Frequency
Period
Output high time / low time
Duty cycle
Calculator by
Engineer Underground
· open the full page for the worked example and theory