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HELP ! some questions about colpitts oscillator

Discussion in 'General Electronics Discussion' started by zack76, Jul 6, 2015.

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  1. zack76

    zack76

    2
    0
    Jul 5, 2015
    hello everyone, I have some problems in understanding this cicuit
    [​IMG]
    I know how it works, but I do not arive to calculate the component values.
    colpitts the oscillator can be summarized by the following scheme (common base):
    [​IMG]
    but in the circuit, I do not see this structure, ie a coil between the emitter and the collector, and the other capacitors, can you explain me that?
    and also calculates component
    thank you
     
    Last edited by a moderator: Jul 6, 2015
  2. zack76

    zack76

    2
    0
    Jul 5, 2015
    thank you davenn
     
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