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Test 1 - Electromagnetics | Electronics and Communication (ECE)

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Multiple Choice

If the scattering matrix [S] of a two port network is [S] = $
\left[
\begin{array}
\ 0.2\angle0^\circ & 0.9 \angle90^\circ \\
0.9\angle90^\circ & 0.1 \angle 90^\circ
\end{array}
\right]
$ then the network is

  1. lossless and reciprocal
  2. lossless but not reciprocal
  3. not lossless but reciprocal
  4. neither lossless nor reciprocal
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