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Connector-less test setup for measurement of passive inter-modulation products at UHF band

Published online by Cambridge University Press:  28 August 2013

Santhosh Kumar Ramagiri ,
Arvind B. Shukla ,
Ramaniklal B. Bavaria ,
Surinder Singh  and
Kaushik S. Parikh
Santhosh Kumar Ramagiri*
Affiliation:
Space Applications Centre, ISRO, Ahmedabad, India
Arvind B. Shukla
Affiliation:
Space Applications Centre, ISRO, Ahmedabad, India
Ramaniklal B. Bavaria
Affiliation:
Space Applications Centre, ISRO, Ahmedabad, India
Surinder Singh
Affiliation:
Space Applications Centre, ISRO, Ahmedabad, India
Kaushik S. Parikh
Affiliation:
Space Applications Centre, ISRO, Ahmedabad, India
*
Corresponding author: S.K. Ramagiri Email: santhoshr@sac.isro.gov.in
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Abstract

This paper describes the establishment of a test setup for measurement of passive inter-modulation (PIM) products generated by various device(s) under test (DUT(s)) (filters, coaxial cables etc.) at ultra high frequency (UHF) band. The paper begins with a brief discussion of an ideal PIM test setup using a quiet load. It then discusses the establishment of the setup in the absence of quiet load and demonstrates a PIM level of −192 dBc of the test setup. Finally it shows the PIM performance of a band-stop filter, a flexible cable, cascade of band-stop filter, and flexible cable, measured using the established test setup. These components are required for UHF payload of a communication satellite.

Keywords

FiltersPassive components and circuits
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 5 , Issue 6 , December 2013 , pp. 689 - 698
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2013 

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References

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