Novel 4-points input pattern for large band noise measurements

De Dominicis, M. ; Giannini, F. ; Limiti, E. ; Saggio, G. (2000) Novel 4-points input pattern for large band noise measurements. In: Gallium Arsenide applications symposium. GAAS 2000, 2-6 october 2000, Paris.
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Abstract

Four parameters are necessary for a complete characterization of the noise behavior of a linear device.The parameters can be experimentally determined by a minimum set of four equations,which can be obtained by an equal number of synthesized reflection coefficients at the input of the DUT,forming a pattern on the Smith chart.To increase the accuracy in the determination of the noise parameters,it is a common procedure to implement an heavily redundant pattern,with a random selection of more than the strictly necessary four points,so forcing the adoption of an expensive tuner.This paper introduces a novel ad hoc selected 4-points pattern,and demonstrates how it can simplify the measurement system without appreciably affecting the measurement accuracy.The proposed pattern is synthesized by easily realizable transmission lines,and a study has been performed to determine lines characteristics for use in wideband noise measurements.

Abstract
Tipologia del documento
Documento relativo ad un convegno o altro evento (Poster)
Autori
AutoreAffiliazioneORCID
De Dominicis, M.
Giannini, F.
Limiti, E.
Saggio, G.
Settori scientifico-disciplinari
DOI
Data di deposito
17 Giu 2004
Ultima modifica
17 Feb 2016 13:43
URI

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