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calculation of bandwidth

Discussion in 'Electronic Design' started by [email protected], Jan 15, 2008.

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  1. Guest

    Hi everyone,

    I have a tranducer connected to the power supply with 1.5 metre long 1
    mm diameter cable that has a resistance of 0.02 ohms/metre.

    What is the formula for calculating the bandwidth for such a system?
    The reason I ask is that I need to calculate the shot-noise generated
    by the current (3 amperes) and the formula for the shot noise has a
    bandwidth component but I do not know how to get the bandwidth from
    this information.

    Thanks,
    Luca
     
  2. The bandwidth you want is probably that of the measuring system, or of
    the system the transducer signal feeds into. That will probably be
    smaller than what you would get from .03 ohms and a few picofarads.
     
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