 172
 6
1. Homework Statement
(From Razavi's Design of Analog CMOS Integrated Circuits  Chapter 6)
2. Homework Equations
3. The Attempt at a Solution
Not too sure about calculating the input impedance of this. Initially I thought that it would be the series combination of C1 and C2, since we are neglecting Cgs, so
But after I actually did it on paper, I got something like this,
Usually, I would try and use superposition for this but I don't see how that would work since Vx would dissapear. Honestly, I have no idea what to do now?
(From Razavi's Design of Analog CMOS Integrated Circuits  Chapter 6)
2. Homework Equations
3. The Attempt at a Solution
Not too sure about calculating the input impedance of this. Initially I thought that it would be the series combination of C1 and C2, since we are neglecting Cgs, so
But after I actually did it on paper, I got something like this,
Usually, I would try and use superposition for this but I don't see how that would work since Vx would dissapear. Honestly, I have no idea what to do now?
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