Recent Improvements to the UK National Microwave Attenuation Standards

Warner, F.L.; Herman, Peter R.; Cummings, Paul

doi:10.1109/tim.1983.4315005

Cited by 28 publications

(6 citation statements)

References 10 publications

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“…The linearity is established from VNA measurements, made by the client, of a step attenuator. These measurements are compared with calibrated values derived beforehand by NPL using primary national standard attenuation measurement facilities [16]. The step attenuator is sent from NPL to the client laboratory so that the VNA measurements are made by the client in their own laboratory.…”

Section: Uncertainty Of Measurementmentioning

confidence: 99%

Traceability via the internet for microwave measurements using vector network analyzers

Dudley

Ridler

2003

IEEE Trans. Instrum. Meas.

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The Internet has been utilized to provide highly efficient and cost-effective measurement services using vector network analyzers (VNAs). Remote calibration and measurement using VNAs from two of the leading instrument manufacturers has been achieved with direct access to primary national measurement standards and procedures, via the Internet, for microwave frequencies in the range 45 MHz to 110 GHz.Index Terms-Internet calibration, internet-enabled metrology, microwave measurements, network analyzer calibration, traceability using the internet, vector network analyzer (VNA).

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Section: Uncertainty Of Measurementmentioning

confidence: 99%

Traceability via the internet for microwave measurements using vector network analyzers

Dudley

Ridler

2003

IEEE Trans. Instrum. Meas.

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“…In [8], the leakage between the MIMO antenna elements can be reduced by increasing the isolation between antennas. In [9][10][11], the leakage in RF attenuation measurements can be minimised using voltage ratio system and super-heterodyne system. In [13][14][15], the leakage in RF attenuation measurements using inductive voltage divider (IVD) is demonstrated.…”

Section: Introductionmentioning

confidence: 99%

Leakage error measurement of vector network analyser in National Institute of Metrology (Thailand)

Sittakul

Hongthong

Pasakawee³

2018

IET Science, Measurement & Technology

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“…By using RF tuners and isolation elements, a precise match of source and load to the line impedance is possible. It provides smallest mismatch uncertainty if carefully executed, but has to be carried out anew when changing the measurement frequency [1] [2].…”

Section: Introductionmentioning

confidence: 99%

Mismatch correction in RF attenuation measurement using precision airlines

2010

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The RF attenuation measurement technique with a small mismatch uncertainty [3] is improved to extend the frequency effectiveness. Three additional substitution loss measurements to the variable attenuator in different phases are realized by using precision airlines of arbitrary lengths where the phase shifts are known. As a result, attenuation measurements of arbitrary frequencies could be also obtained simply without source and load matched to the line impedance. Experimental results on a 10-dB and 20-dB at 11 GHz show good agreement with measurements where the source and load are matched.

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Recent Improvements to the UK National Microwave Attenuation Standards

Cited by 28 publications

References 10 publications

Traceability via the internet for microwave measurements using vector network analyzers

Traceability via the internet for microwave measurements using vector network analyzers

Leakage error measurement of vector network analyser in National Institute of Metrology (Thailand)

Mismatch correction in RF attenuation measurement using precision airlines

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