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New Approach of High Power Testing of Spacecraft Passive Components using Diplexer

Vidhi Panchasara *, Ramesh J Doshi **, Sunil Lavadiya ***

*-*** Marwadi Education Foundation's Group of Institutions, Gujarat Technological University, Ahmedabad, Rajkot, Gujarat, India.

** Space Application Centre, Indian Space Research Organization, Ahmedabad, Gujarat, India.

Periodicity:January - June'2020
DOI : https://doi.org/10.26634/jcs.9.1.17395

Abstract

The proposed work presents a new approach of high power testing setup. High power testing is required for all the passive components being used in the payload of the spacecraft. The multi-channel high power testing using conventional approach is more complex. To overcome the issues of conventional approach of high power test, this paper introduces a new approach of high power testing in which two signals can be processed through a single channel using waveguide diplexer. Use of diplexer results in reduction of travelling wave tube amplifier which reduces the complexity and cost of high power testing setup. This paper presents a design of Ku-band diplexer and new approach of high power testing using this diplexer. The diplexer has been designed with 11 GHz and 11.55 GHz center frequencies of pass bands with 30 dB return loss and 0.14 dB insertion loss in both pass bands.

Keywords

High Power Test, Diplexer, Travelling Wave Tube Amplifier.

How to Cite this Article?

Panchasara, V., Doshi, R. J., and Lavadiya, S. (2020). New Approach of High Power Testing of Spacecraft Passive Components using Diplexer. i-manager's Journal on Communication Engineering and Systems,9(1), 1-7. https://doi.org/10.26634/jcs.9.1.17395

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