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Transistor collector current

Discussion in 'General Electronics Discussion' started by samy555, May 17, 2010.

  1. samy555

    samy555

    63
    0
    May 11, 2010
    Hello everyone
    We all know that Input Impedance decreased when we choose a high collector current, and that is ok
    I want to ask: When one choose high current?
    thank you
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,220
    2,695
    Jan 21, 2010
    When one has a load that needs one.
     
  3. samy555

    samy555

    63
    0
    May 11, 2010
    I didn't understand
    please explain
    thanks
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,220
    2,695
    Jan 21, 2010
    One reason for a high collector current is that the load being driven requires high current.
     
  5. aj_snowfire

    aj_snowfire

    2
    0
    May 19, 2010
    for example a load needs 100mA of current,but if the power delivered by the last stage amplifier is less than 100mA,the result goes down..
     
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