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cut off frequency

Discussion in 'Embedded Systems and Microcontrollers' started by nileshkhupase, Apr 27, 2012.

  1. nileshkhupase

    Thread Starter Member

    Mar 22, 2011

    When i simulated a LPF on PSPice i got cut off frequency of ~4Hz (at 70% of Vout) but theoritically it is coming out to be 18Hz. Can you tell me why there is so much difference in these values?
  2. t06afre

    AAC Fanatic!

    May 11, 2009
    Somehow I think this ended up in wrong forum. No big deal. But you have to post some schematics in order to for us to help you. We have no idea what you are talking about