skrf.io.touchstone.Touchstone¶

class skrf.io.touchstone.Touchstone(file, encoding=None)[source]¶

Class to read touchstone s-parameter files.

The reference for writing this class is the draft of the Touchstone(R) File Format Specification Rev 2.0 1 and Touchstone(R) File Format Specification Version 2.0 2

References

1: https://ibis.org/interconnect_wip/touchstone_spec2_draft.pdf
2: https://ibis.org/touchstone_ver2.0/touchstone_ver2_0.pdf

Parameters

file (Union[str, TextIO]) –
encoding (Optional[str]) –

Methods

`__init__`	constructor
`get_comment_variables`	Convert hfss variable comments to a dict of vars.
`get_comments`	Returns the comments which appear anywhere in the file.
`get_format`	Returns the file format string used for the given format.
`get_gamma_z0`	Extracts Z0 and Gamma comments from touchstone file (if provided).
`get_gamma_z0_from_fid`	Extracts Z0 and Gamma comments from fid.
`get_noise_data`
`get_noise_names`
`get_sparameter_arrays`	Returns the s-parameters as a tuple of arrays.
`get_sparameter_data`	Get the data of the s-parameter with the given format.
`get_sparameter_names`	Generate a list of column names for the s-parameter data.
`load_file`	Load the touchstone file into the internal data structures.