Hybrid-Pi Model for npn and pnp

Discussion in 'General Electronics Chat' started by Michael Lin, Nov 25, 2005.

  1. Michael Lin

    Thread Starter Member

    Sep 20, 2005
    13
    0
    Hi all,
    In terms of applying the hybrid-pi model for a pnp transistor, is there anything I should be aware of compared to applying this model to npn. ie) Should the vbe be a -ive voltage ( I don't think so )? Should I expect the calculated currents, ie, ib, and ic to have negative signs?

    Thanks, Michael
     
  2. mozikluv

    AAC Fanatic!

    Jan 22, 2004
    1,437
    1
    hi

    yes. :D
     
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