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Network TheoryTwo-Port Networks

When two two-port networks are connected in series at both ports, which parameter matrices are especially convenient to add directly?

  • Az-parameters
  • By-parameters
  • CABCD parameters
  • DS-parameters only
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Correct Answer: A. z-parameters
Explanation: In a series-series interconnection, port currents are common and voltages add, so impedance or z-parameter matrices add directly.
Reference: Standard network theory: series two-port connection
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