Determine Twisted-Line Characteristic Impedance

Balanced twisted bifilar transmission lines are often used in high-frequency signal-processing applications, in impedance transformers, signal combiners, and power dividers. To apply these transmission lines and structures based on them in high-frequency circuits and systems, the characteristic impe...

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Published in:Microwaves & RF 2008-01, Vol.47 (1), p.66
Main Authors: Junior, Antonio Alves Ferreira, Ribeiro, Jose Antonio Junstino, Do Pereira, Wilton Ney Amaral
Format: Magazinearticle
Language:English
Subjects:
Calibration
Circuits
Design engineering
Electric resistance
Frequencies
Integrated circuits
Load
Measurement
Measurement techniques
Methods
Propagation
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Ribeiro, Jose Antonio Junstino
Do Pereira, Wilton Ney Amaral
description Balanced twisted bifilar transmission lines are often used in high-frequency signal-processing applications, in impedance transformers, signal combiners, and power dividers. To apply these transmission lines and structures based on them in high-frequency circuits and systems, the characteristic impedance of the twisted lines must be known. Once a solution has been found for connecting these balanced lines to the unbalanced ports of standard test equipment, it is possible to use a commercial vector network analyzer (VNA) for accurate measurements of characteristic impedance on balanced twisted bifilar transmission lines.
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subjects Calibration
Circuits
Design engineering
Electric resistance
Frequencies
Integrated circuits
Load
Measurement
Measurement techniques
Methods
Propagation
title Determine Twisted-Line Characteristic Impedance
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