dominant pole & nondominant pole

Discussion in 'General Electronics Chat' started by gsan, Mar 15, 2008.

  1. gsan

    Thread Starter Member

    Mar 4, 2008
    12
    0
    what is meant by dominant pole & nondominant pole in the two stage CMOS op-amp circuit & folded cascode OTA circuit?
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,144
    1,791
    From any point in the s-plane the dominat pole is the one which is closest to that point. The further away a pole is the less effect it has on the system response. See the root locus method originally developed by Evans. Here is the top Google hit

    http://www.roymech.co.uk/Related/Control/root_locus.html
     
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