MOS differential amplifier; how do i give differential and common mode signals in LTspice?

Discussion in 'Analog & Mixed-Signal Design' started by Moses Prabhakar, Oct 22, 2017.

  1. Moses Prabhakar

    Thread Starter New Member

    Jul 17, 2016
    1
    0
    i am trying out a textbook circuit of a differential amp in LTspice ,how do i give differential input as in
    https://i.stack.imgur.com/JdJfy.png


    i attached my schematic

    thank you
     
  2. crutschow

    Expert

    Mar 14, 2008
    22,482
    6,581
    You just configure the two sources so that one has a 0° phase-shift and the other has a 180° phase shift.
    Below a 180° shift is shown for both the Transient and AC sources, whichever you are using:

    upload_2017-10-22_10-41-36.png
     
    Moses Prabhakar likes this.
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