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s2scc - Convert 4-port, single-ended S-parameters to 2-port, common-mode S-parameters (S_cc)

Syntax

scc_params = s2scc(s_params,option)

Description

scc_params = s2scc(s_params,option) converts the 4-port, single-ended S-parameters, s_params, to 2-port, common-mode S-parameters, scc_params. scc_params is a complex 2-by-2-by-M array that represents M 2-port S-parameters. s_params is a complex 4-by-4-by-M array that represents M 4-port S-parameters. The optional option argument indicates the port-numbering convention that the S-parameters use.

option can be:

• 1 — Single-ended ports 1 and 3 pair together to become common-mode port 1. Ports 2 and 4 become common-mode port 2. The following figure shows this convention.

  

• 2 — Ports 1 and 2 become common-mode port 1. Ports 3 and 4 become common-mode port 2. The following figure shows this convention.

  

• 3 — Ports 1 and 2 become common-mode port 1. Ports 4 and 3 become common-mode port 2. The following figure shows this convention.

  

The default value of option is 1.

References

Fan, W., A. C. W. Lu, L. L. Wai, and B. K. Lok. "Mixed-Mode S-Parameter Characterization of Differential Structures." Electronic Packaging Technology Conference, pp. 533–537, 2003.

See Also

s2scd

s2sdc

s2sdd

s2smm

smm2s

s2s

s2scd

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