[SOLVED] simple bias circuit design

[tinatoras]

Hi,

I'm designing this bias circuit.

I used the equation in Razavi's book, but the transistors didn't work in saturation. How to choose W/L ratios to insure they are working in saturation.

Thanks.

---------- Post added at 15:18 ---------- Previous post was at 13:20 ----------

Any help please.

 

[windknows]

you should move the resistor to the left side..

 

[tinatoras]

Thanks windknows.

I'll try this.

---------- Post added at 22:04 ---------- Previous post was at 20:58 ----------

It works.
Thanks again windknows.