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Maximum Power Transfer

Discussion in 'Electronic Basics' started by [email protected], May 31, 2005.

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  1. Guest

    Dear all experts,


    1) If i were to connect a simple circuit to determine the effects of
    capacitance in Maxim Power Transfer, how will the capacitance values
    affect the Maximum Power? What's the best capacitance to be used?

    2) In Nodal Analysis, how can the frequency of the signals affect the
    circuit currents? How can we minimise the currents with different
    frequencies instead of using resistor?

    3) In a simple circuit which has a load, what's the simplest way to
    know its impedance? What's the difference between resistance &
    impedance?

    Thanks... sorry for asking simple and silly questions.

    Regards,
    Albert
     
  2. redbelly

    redbelly Guest

    Hi,

    You don't say what you mean by "simple circuit". Also, it would help
    if you said more about your application. (And if the application is
    that you're solving a homework problem, you're not likely to get the
    answer in here.)
     
  3. Don Kelly

    Don Kelly Guest

    -------------
    0, providing that the source has negligable inductance. have you been asked
    to determine the best capacitance to use when the source is inductive. It
    can be found -If this is homework, you will have to work it out.
    -------
    Nodal analysis is at a single frequency. All that frequency will do will is
    to affect L and C impedances. Hint- look up parallel resonance.
    ----------
    ---------
    a) measure it.
    b) impedance includes the wL and =-1/wC terms where w =2*pi*frequency
    Z=R+j(wL-1/wC)

    If you are asking these questions, you are missing the basis of AC circuit
    analysis and need to go back to review it.
    Get a textbook or Schaum's Outlines on circuit analysis.
     
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