J P Ide et al 1995 Metrologia 32 35 doi:10.1088/0026-1394/32/1/004
J P Ide1, K Hilty2 and J P M de Vreede3
Show affiliationsThis is a report on an international comparison of Automatic Network Analysers (ANAs) carried out between three European standards laboratories: the NPL (UK), the Telecom-PTT (Switzerland) and the VSL (the Netherlands). Six different transfer standards consisting of a 50 Ω air line, a 25 Ω Beatty standard, a 20 dB attenuator, a 50 dB attenuator, and two terminations, all fitted with type-N 50 Ω connectors, were used, and measurements were made of reflection and transmission parameters over the frequency range 0,4 GHz to 18 GHz. A selection of the results is presented with some analysis of the implications of the results for the different calibration procedures and their relative advantages. The problems inherent in comparing the large amounts of data generated by ANAs is also discussed and examples are given of some of the methods of displaying such data in a useful manner.
84.40.Ua Telecommunications: signal transmission and processing; communication satellites
06.20.Dk Measurement and error theory
07.50.-e Electrical and electronic instruments and components
Issue 1 ( 1 January 1995)
Received 26 October 1994
J P Ide et al 1995 Metrologia 32 35
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