Method for measuring noise parameters of microwave two-port

A new tuner-based method for measuring the four noise-parameters of a two-port is proposed. It makes use of a novel measurement ratio that includes noise powers and mismatch factors simultaneously. In contrast to previous works, no restrictions on the noise source, tuner state temperatures and cold...

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Bibliographic Details
Authors: Lázaro Guillén, Antoni, Pradell i Cara, Lluís|||0000-0003-4026-226X, O'Callaghan Castellà, Juan Manuel|||0000-0002-2740-0202
Format: article
Publication Date:1998
Country:España
Institution:Universitat Politècnica de Catalunya (UPC)
Repository:UPCommons. Portal del coneixement obert de la UPC
Language:English
OAI Identifier:oai:upcommons.upc.edu:2117/740
Online Access:https://hdl.handle.net/2117/740
Access Level:Open access
Keyword:Microwave measurements
Noise Measurement
circuit noise
electric noise measurement
high electron mobility transistors
microwave circuits
two-port networks
tuning
Microones -- Mesurament
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
Description
Summary:A new tuner-based method for measuring the four noise-parameters of a two-port is proposed. It makes use of a novel measurement ratio that includes noise powers and mismatch factors simultaneously. In contrast to previous works, no restrictions on the noise source, tuner state temperatures and cold temperatures are assumed.