About: Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A mathematical approach for determining the maximal applicable gain of amplifiers, that are used in two recently introduced methods for measurement of extreme input impedances using a common vector network analyzer (VNA) the generalized method and the direct method is presented. These two measurement methods exhibit outstanding measurement sensitivity for extreme impedance values impedances significantly higher or lower than the 50Ů reference impedance of common measurement systems. The measurement sensitivity is better when gain of the used amplifiers is higher. However, the gain is limited by nonlinearity of the amplifiers and the receivers of the vector network analyzer. Therefore, the gain calculation is derived to make possible to fully exploit the capabilities of the measurement methods without loosing accuracy due to nonlinear effects. An example of calculation for one experimental setup is also presented. A mathematical approach for determining the maximal applicable gain of amplifiers, that are used in two recently introduced methods for measurement of extreme input impedances using a common vector network analyzer (VNA) the generalized method and the direct method is presented. These two measurement methods exhibit outstanding measurement sensitivity for extreme impedance values impedances significantly higher or lower than the 50Ů reference impedance of common measurement systems. The measurement sensitivity is better when gain of the used amplifiers is higher. However, the gain is limited by nonlinearity of the amplifiers and the receivers of the vector network analyzer. Therefore, the gain calculation is derived to make possible to fully exploit the capabilities of the measurement methods without loosing accuracy due to nonlinear effects. An example of calculation for one experimental setup is also presented. (en)
Title	Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement (en)
skos:prefLabel	Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement (en)
skos:notation	RIV/68407700:21230/10:00172412!RIV11-MSM-21230___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6840770015)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Randus, Martin Hoffmann, Karel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	249491
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/10:00172412
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Impedance measurement; microwave circuits; microwave measurements; nanotechnology (en)
http://linked.open.../riv/klicoveSlovo	nanotechnology Impedance measurement microwave circuits microwave measurements
http://linked.open...ontrolniKodProRIV	[DDE86B0BEB0C]
http://linked.open...v/mistoKonaniAkce	Clearwater Beach, Florida
http://linked.open...i/riv/mistoVydani	Piscataway
http://linked.open...i/riv/nazevZdroje	76th ARFTG Microwave Measurement Conference
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Hoffmann, Karel Randus, Martin
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-11-30 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Research of Methods and Systems for Measurement of Physical Quantities and Measured Data Processing.
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE Microwave Theory and Techniques Society, US
https://schema.org/isbn	978-1-4244-7448-6
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement Calculation of Maximal Applicable Gain for the Generalized and the Direct Method for Extreme Impedances Measurement

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