hspice commands

Discussion in 'Homework Help' started by yuanshikai, Jan 14, 2012.

  1. yuanshikai

    Thread Starter Member

    Sep 17, 2011
    49
    0
    what's the hspice command to find out the icmr(input common mode range), cmrr(common mode rejection ratio) and psrr(power supply rejection ratio)? or do i need to use functions? all the commands i know for analysis are: .ac .dc .tf .trans .fft .probe .plot .print .op
     
  2. crutschow

    Expert

    Mar 14, 2008
    13,042
    3,243
    For those measurements you perform the simulation of the circuit using the transient (.tran) analysis, use the .probe and .plot commands to see the results, and then calculate the icmr, cmrr and psrr from the simulation results.
     
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