Duty cycle control of the clock

[taofeng]

Hi,

I need some help to generate a clock signal with 50/50, 40/60, 30/70 , 20/80 and 10/90 duty cycle combination. thanks a lot !

jeffrey

 

[zhongdg]

You can adjust the PMOS and NMOS size to control the duty cycle of the clock.
Another way is to add RC delay cell at different node of inverter path to control the duty cycle.

 

[menz]

RC time constant will change ur clock tym