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Network TheoryTwo-Port Networks

Two cascaded two-port networks have ABCD matrices M1 and M2. If M1 is followed by M2 from source to load, the overall transmission matrix is?

  • AM1+M2
  • BM2-M1
  • CM1M2
  • DM2/M1 element by element
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Correct Answer: C. M1M2
Explanation: For cascaded two-port networks, the overall ABCD matrix is the ordered product of the individual transmission matrices, M=M1M2 under the standard convention.
Reference: Standard network theory: two-port networks
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