what is value of I1 and I2 ?

[perado]

I want simulate this circuit, the width of M2 is twice M1 now I want to now what is the relation between current value of I1 and I2?

 

[erikl]

... what is the relation between current value of I1 and I2?

I1 and I2 are totally independent of the W/L ratios of both transistors, s. the following example:

 

[jiesteve]

Hi erikl,

what tool are you using to generate the dc operation point picture?

thanks

 

[leo_o2]

Cadence spectre can also post the DC operating point.

 

[dgnani]

Any simulator integrated into Cadence can actually annotate OP voltages and parameters as long as the CDF for that simulator are written correctly

 

[erikl]

what tool are you using to generate the dc operation point picture?

It's the free Qt Universal Circuit Simulator -- or briefly Qucs, which you can download also from its original site, together with its description.