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difference between Icc and Ic ??

Discussion in 'Electronics Homework Help' started by maark6000, Nov 13, 2012.

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  1. maark6000

    maark6000

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    Feb 8, 2012
    I'm working on a section on biasing transistors, and nowhere in the text up to now do they mention Icc. But suddenly in the homework problems, there is mention of Icc. What does this term mean, and how is it different than Ic?

    Thanks,
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,449
    2,809
    Jan 21, 2010
    I'd say it's a finger ptpblem of someone typign Ic
     
  3. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    Probably fat fingers like Steve said, but...

    IC = Integrated circuit
    [​IMG]

    ICC = Integrated chip card
    [​IMG]
     
  4. maark6000

    maark6000

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    Feb 8, 2012
    here is the exact wording of the problem:

    "Design a circuit using voltage-divider bias for the following specifications: Vcc=9 v, Icc(max) = 5 mA, Ic = 1.5 mA, and Vce = 3 v. The transistor is a 2N3904."

    I think they mean that the overall circuit, from Vcc to ground should only have 5 ma current going thru it. But I'm not sure.
     
  5. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    In that reference, yes Icc is the supply current, Ic is the collector current...
     
    Last edited: Nov 13, 2012
  6. maark6000

    maark6000

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    Feb 8, 2012
    Cool. I suppose that would mean that at some point I might see an Iee(max) were the transistor to be a PNP. Thanks for confirming my suspicions. :)
     
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