Traceable DC − 18 GHz characterization of coaxial 50 Ω impedance standards

Mubarak, Faisal; Dierikx, Erik; Rietveld, G.

doi:10.1109/cpem.2016.7540479

Cited by 2 publications

(2 citation statements)

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“…According to (1), it is possible to obtain the 4TP impedance as a function of the ABCD components of the involved transmission matrices by dividing ( 13) and (12) and by eliminating the dependence on voltages and currents at points A and B with (6). Finally, the most simplified form of 4TP impedance for this model yields:…”

Section: Analytical Model Of the Connectorsmentioning

confidence: 99%

“…In particular, some methods attempt to extend the LF limit of the calculable impedance standards [5]- [10]. Other techniques aim to reduce the frequency gap by improving the accuracy from the RF side [11], [12], or by determining, through resonant frequencies measured with VNA, the elements of the equivalent circuit associated to the impedance standards [13]- [16].…”

Section: Introductionmentioning

confidence: 99%

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Broadband Calculable Coaxial Resistors

Agustoni

Préville

Overney

2023

IEEE Trans. Instrum. Meas.

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This paper describes a method to model the impedance of a Haddad type resistor over a frequency interval ranging from 10 to 200 MHz, hereafter defined as LF-RF range. To this end, novel resistor standards, of 1 kΩ and 100 Ω, have been designed and manufactured with the aim of sharply identifying the nodes that define the impedance. Resistor modelling is divided into two main parts: the first one, describing the central coaxial core and the second part, describing the connectors through physical simulations and a subsequent analytical approach. The results show a remarkable good agreement between measured and modelled impedance over the whole considered frequency range. Uncertainty values allow for the traceability of the resistors up to high frequencies and for the calibration of commercial impedance analyzers within the LF-RF range.

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Section: Analytical Model Of the Connectorsmentioning

confidence: 99%