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Reseach Article

Six Bit Digital Phase Shifter using Lumped Network for ST Radar

Published on October 2013 by Deepa Jagyasi, K. P. Ray, Sushama Chaudhary, Shobha Krishan
International Conference on Communication Technology
Foundation of Computer Science USA
ICCT - Number 3
October 2013
Authors: Deepa Jagyasi, K. P. Ray, Sushama Chaudhary, Shobha Krishan
2e583221-e3cf-40da-8b96-7887ab166f66

Deepa Jagyasi, K. P. Ray, Sushama Chaudhary, Shobha Krishan . Six Bit Digital Phase Shifter using Lumped Network for ST Radar. International Conference on Communication Technology. ICCT, 3 (October 2013), 5-11.

@article{
author = { Deepa Jagyasi, K. P. Ray, Sushama Chaudhary, Shobha Krishan },
title = { Six Bit Digital Phase Shifter using Lumped Network for ST Radar },
journal = { International Conference on Communication Technology },
issue_date = { October 2013 },
volume = { ICCT },
number = { 3 },
month = { October },
year = { 2013 },
issn = 0975-8887,
pages = { 5-11 },
numpages = 7,
url = { /proceedings/icct/number3/13659-1324/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference on Communication Technology
%A Deepa Jagyasi
%A K. P. Ray
%A Sushama Chaudhary
%A Shobha Krishan
%T Six Bit Digital Phase Shifter using Lumped Network for ST Radar
%J International Conference on Communication Technology
%@ 0975-8887
%V ICCT
%N 3
%P 5-11
%D 2013
%I International Journal of Computer Applications
Abstract

In electronically scanned antenna array, the antenna beam-steering in the desired direction without physically repositioning the an¬tenna can be made possible by use of phase shifters, which can be implemented in the transmit receive path of the antenna. For Stratospheric Tropospheric (ST) Radar, the six bit digital phase shifter using lumped components equivalent of transmission line has been designed and implemented. This phase shifter is de¬signed in order to achieve proper beam-positioning, 360° azimuthal angle and ±15° elevation angle. This phase shifter is a part of transmit-receive (TR) module which is associated with each an¬tenna in the circular array of 576 Yagi-Uda antennas. The results of this design are obtained in terms of insertion loss, return loss, phase error and veri?ed computationally using Matlab and sim-ulations in ADS (Advanced Design System) software. The six bit digital phase shifter has been fabricated using FR4 substrate and the results are measured in Vector Network Analyzer (VNA) for all possible combinations of phase shifts at 212MHz frequency.

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Index Terms

Computer Science
Information Sciences

Keywords

Phase Shifter St Radar Lumped Networks