S-parameter toolbox (+ Z, Y, H, G, ABCD, T)

Version 1.5.0.0 (25.3 KB) by tudor dima
Convert between N-port representations of RF circuits. Read / Write industry-standard files.
5.0
(25)
14.9K Downloads
Updated 29 May 2012

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Useful for the RF designer, it manipulates the various complex representations of the circuits as multi-ports, namely conversions from one representation to another as well as reading/writing from/to files in industry-standard format.

The (more oftenly used) transformations are singularity-protected; some legacy stuff could be done better today... and it is slowly getting done :-)!

The file parsing/writing in particular has been greatly improved thanks to the input received from the users on this site.

I hope this toolbox will help you when searching for that elusive insight when working at high frequencies !

Have fun !

p.s. any ideas ? bugs ? email me

Cite As

tudor dima (2025). S-parameter toolbox (+ Z, Y, H, G, ABCD, T) (https://www.mathworks.com/matlabcentral/fileexchange/6080-s-parameter-toolbox-z-y-h-g-abcd-t), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2008a
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.5.0.0

2012.05.29
SXPWrite:
properly write long numbers in scientific notation
accept multi-line comments
accept more frequency units (before MHz only)
SXPParse:
close the parsed file
1.4.0.0

- added 3rd dimension (frequency)
to h2y, y2h, g2y, y2g, h2g,
- faster h2* and *2h conversions
- h2g (and its wrap, g2h) as
protected inverses
1.2.0.0

more separators allowed, file read speed improvement, better code flow
1.1.0.0

SXPParse revision : v.1.4, 2008.10.25
fix for the case nPort>4 (when lines get split)
allow comments on lines
allow various separators (tabs!)
better parsing, subfunctions introduced
limited protection for non-compliant files
1.0.0.0

- bug fixed in 'db' format conversion
- better help and better info on MDIF standard