Hello,

I have two questions regarding the transistor in the attached figure,
- Can we assume that R1 and R2 are equivalent?
- Is their value calculated from KVL or through the Rout formula (I/λIDS)?

Thank you!

 

What would the basis be for saying they are equivalent?

Perhaps the place to start would be to consider what, precisely, each of those parameters means.

 

Hello WBahn,

The problem just states R1 and R2, my only clue is that they represent Ron.

 

In general, when you have an R and an arrow like that, it is asking for the resistance as seen looking into that port. This usually means the incremental, or differential, resistance, which is

R = dI/dV where I is the current into that port and V is the voltage at that port.

 

Got it, thank you.