current mirror problem

Discussion in 'Homework Help' started by sam hajim, Aug 15, 2011.

  1. sam hajim

    Thread Starter New Member

    Aug 4, 2011
    please help i have a problem in current mirrors.
    its asking to find the nominal output current Iout and the small signal output resistance for the source- degenrate current mirror. both transistors have the same size.

    i found Iout=Iref
    but i have trying to get the small-signal output resistance which works out to be Rs+ro1(1+gm1Rs) in the answer [​IMG]

  2. SgtWookie


    Jul 17, 2007
    You tried to link to an image that is in your Google Gmail account.
    You need to use the "Go Advanced" and "Manage Attachment" buttons to attach the image to your post.