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Network TheoryTwo-Port Networks

For a symmetrical two-port network described by z-parameters, which relation must hold?

  • Az11=z22
  • Bz12=0
  • Cz21=0
  • Dz11=-z22
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Correct Answer: A. z11=z22
Explanation: For a symmetrical two-port, interchanging input and output ports does not change its behavior, giving z11=z22.
Reference: Standard network theory: two-port networks
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