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Feed-forward technique to measure the reflection coefficient under CW high-power signals

Author
Collado, J.; Gonzalez-Rodriguez, M.; Gonzalez, J.; Mateu, J.; Verdu, J.; Hueltes, A.
Type of activity
Journal article
Journal
IEEE transactions on microwave theory and techniques
Date of publication
2018-10-01
Volume
66
Number
10
First page
4627
Last page
4633
DOI
https://doi.org/10.1109/TMTT.2018.2854268 Open in new window
Repository
http://hdl.handle.net/2117/125601 Open in new window
URL
https://ieeexplore.ieee.org/document/8418310 Open in new window
Abstract
This paper describes a measurement setup to obtain the reflection coefficient response over the frequency of a given device when this is subjected to a single-tone high-power (HP) signal. The proposed system is based on a feed-forward technique to cancel the reflected HP signal before reaching the vector network analyzer. This allows measuring the effects of the HP interfering signal into the device's low-power frequency response. This technique does not require either power-calibrated standards...
Citation
Collado, J., Gonzalez-Rodriguez, M., Gonzalez, J., Mateu, J., Verdu, J., Hueltes, A. Feed-forward technique to measure the reflection coefficient under CW high-power signals. "IEEE transactions on microwave theory and techniques", 1 Octubre 2018, vol. 66, núm. 10, p. 4627-4633.
Keywords
Cancellation system, Feed forward, High power (HP), S-parameters
Group of research
CSC - Components and Systems for Communications Research Group

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