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Transistor S-parameter.

Discussion in 'Electronic Design' started by sinlip, Nov 25, 2003.

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  1. sinlip

    sinlip Guest

    How do I measure the S-paramter on a transistor if the manufacturing
    doesn't provide the S-parameter data? First, we have to bias the
    transistor and terminate it with 50 ohm resistor on both input and
    output. Then measure it with Network Analyzer. Am I correct? Anyone
    know how the manufacure of the transistor measure the S-parameter

    Sin Lip
  2. You might have heard of a company called Agilent. :) They make
    equipment that measure the S-parameter data the way you described.

    The HP8510 is a classic example.

    Here are some more contemporary devices:

    You may also need to use a "bias-T" to provide DC bias to the
    transistor. Many network analyzers have one built-in on each port.

  3. Baphomet

    Baphomet Guest

    Parameter conversion table
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