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

Casbon, M. A. and Tasker, Paul J. ORCID: https://orcid.org/0000-0002-6760-7830 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:	21 Oct 2022 07:02
URI:	https://orca.cardiff.ac.uk/id/eprint/99001

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