Don't even know what the question is.
Professor said get equivalent resistance or something.
Anyone can give me help with this?

 

Don't even know what the question is.
Professor said get equivalent resistance or something.
Anyone can give me help with this?View attachment 73322

Well, that's a totem pole (NAND) gate. I think you need to find out what the question is from your professor.

 

i think he said something like get v_x/i_x

 

i think he said something like get v_x/i_x[/QUOTE

Well, that's a totem pole (NAND) gate. I think you need to find out what the question is from your professor.

could you explain how that thing works? i mean what does gmV_pi mean? shouldn't V_pi =0 because both ends are connected to the ground?