Generalized adaptive calibration schemes for precision RF vector network analyzer measurements

Morgan, Ann; Ridler, N M; Salter, M J

doi:10.1109/tim.2003.816811

Cited by 6 publications

(1 citation statement)

References 4 publications

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“…This enables different 'known' values of reflection to be available at each frequency so that the calibration can be performed. The selection process for choosing the standards can be an 'adaptive' approach [13] whereby the calibration algorithm chooses the best three standards at each given frequency. (The term 'best three standards' is used here to describe the collection of three standards that provides phase separations between each pair of standards closest to the optimum value of 1201.)…”

Section: Calibration Standards and Calibration Schemesmentioning

confidence: 99%

Traceable high-precision impedance measurements for the millimetre-wave band using dielectric waveguide transmission lines

Yip

Ridler

Collier

et al. 2006

IEE Proc., Sci. Meas. Technol.

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Currently, the UK's national standards for impedance measurements are only available for frequencies up to 50 GHz in a coaxial line and 110 GHz in a metallic rectangular waveguide. No standards exist above these frequencies. A need to provide measurement standards and measurement assurance above these frequencies has led to research into a new form of impedance standard for precision metrology applications across the entire millimetre-wave band and perhaps beyond (i.e. extending to at least 300 GHz). We report the development of the new standards and other devices that utilise a dielectric waveguide as the transmission medium, and we show how these standards can be used to calibrate measuring instruments, such as vector network analysers (VNAs), and to provide traceability to national standards.

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Section: Calibration Standards and Calibration Schemesmentioning

confidence: 99%

Traceable high-precision impedance measurements for the millimetre-wave band using dielectric waveguide transmission lines

Yip

Ridler

Collier

et al. 2006

IEE Proc., Sci. Meas. Technol.

Self Cite

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The metrology of electrical impedance at high frequency: a review

Callegaro

2008

Meas. Sci. Technol.

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The measurement of electrical impedance in the high-frequency range (loosely speaking, from 100 kHz to 100 MHz) is a common characterization technique in research and applications concerning condensed matter physics, engineering and biology. Commercial instruments for impedance measurement have specifications, including frequency range and base accuracy, continuously improving. The calibration of impedance instruments and standards in the high-frequency range represents a tough challenge for metrology laboratories; measurement methods and traceability paths are not as firmly established as those employed for lower (audio) or higher (microwave) frequencies. In the last few years, the problem has received increased attention from the metrology community. The paper gives a review of recent results in the field.

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Error propagation from OSL calibration standards: Analytical solution and experimental validation

Han¹

2007

2007 69th ARFTG Conference

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Generalized adaptive calibration schemes for precision RF vector network analyzer measurements

Cited by 6 publications

References 4 publications

Traceable high-precision impedance measurements for the millimetre-wave band using dielectric waveguide transmission lines

Traceable high-precision impedance measurements for the millimetre-wave band using dielectric waveguide transmission lines

The metrology of electrical impedance at high frequency: a review

Error propagation from OSL calibration standards: Analytical solution and experimental validation

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