Method and apparatus for providing and calibrating a multiport network analyzer
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United States of America Patent
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Nov 26, 1996
Issued Date -
N/A
app pub date -
Jun 7, 1995
filing date -
May 24, 1993
priority date (Note) -
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Abstract
An apparatus for converting a two-port vector network analyzer to an N-port vector network analyzer and for calibrating the N-port vector network analyzer includes a test set having a first port coupled to a first port of the two-port vector network analyzer, a second port coupled to a second port of the two-port vector network analyzer and N-ports. The test set includes a circuit that selectively couples one of the N-ports of the test set to the second port of the test set. The apparatus also includes a multi-state transfer standard having N-ports coupled, respectively, to the N-ports of the test set. The multi-state transfer standard provides, at each of the N-ports of the multi-state transfer standard, a plurality of conditions necessary to calibrate the two-port vector network analyzer.
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