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Comparison of sampler and VNA based Large Signal Measurement Systems (LSNA) under CW and pulsed operation

Casbon, M. A. and Tasker, Paul J. 2015. Comparison of sampler and VNA based Large Signal Measurement Systems (LSNA) under CW and pulsed operation. Presented at: 2015 85th Microwave Measurement Conference (ARFTG), 22-26 May 2015. Microwave Measurement Conference (ARFTG), 2015 85th. IEEE, p. 1. 10.1109/ARFTG.2015.7162890

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Abstract

Here we present a comparison of the Large Signal Measurements provided by both a VNA based and a sampler based LSNA system. In this study, in order to achieve a robust and reliable relative phase calibration a dual frequency phase differential method was used. Significantly this work compares measurements performed under both CW and pulse mode operation. Very similar RF I-V waveforms are achieved in both cases, verifying that both architectures can provide comparable measurements not only in CW but also under pulsed operation. The test device was a GaN on silicon carbide HFET.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Publisher: IEEE
ISBN: 9781479988877
Last Modified: 04 Jun 2017 09:45
URI: http://orca.cf.ac.uk/id/eprint/99001

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