{"title":"S band Six-bit Digital Phase Shifter for RADAR applications","authors":"Shruti Sinha, C. Rao, J. Dhar, R. Jyoti","doi":"10.1109/imarc49196.2021.9714636","DOIUrl":null,"url":null,"abstract":"This paper presents design and test results of compact monolithic 6-bit digital phase shifter (DPS) at S-band for radar applications. The optimum design topology of each bit is selected based on insertion loss, amplitude and phase errors and compactness. The phase shifter is fabricated using $0.25 \\mu \\mathrm{m}$ p-HEMT GaAs process from UMS foundry. The developed DPS is realized within the footprint of $4.8 \\mathrm{~mm} \\times 2.6 \\mathrm{~mm} \\times 0.1 \\mathrm{~mm}$, exhibits $6.0 \\mathrm{~dB}$ insertion loss with salient features of voltage wave standing ratio of less than 1.57, RMS amplitude error less than $0.30 \\mathrm{~dB}$ and RMS phase error better than 1° at 3.2GHz with 100 MHz bandwidth.","PeriodicalId":226787,"journal":{"name":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/imarc49196.2021.9714636","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper presents design and test results of compact monolithic 6-bit digital phase shifter (DPS) at S-band for radar applications. The optimum design topology of each bit is selected based on insertion loss, amplitude and phase errors and compactness. The phase shifter is fabricated using $0.25 \mu \mathrm{m}$ p-HEMT GaAs process from UMS foundry. The developed DPS is realized within the footprint of $4.8 \mathrm{~mm} \times 2.6 \mathrm{~mm} \times 0.1 \mathrm{~mm}$, exhibits $6.0 \mathrm{~dB}$ insertion loss with salient features of voltage wave standing ratio of less than 1.57, RMS amplitude error less than $0.30 \mathrm{~dB}$ and RMS phase error better than 1° at 3.2GHz with 100 MHz bandwidth.
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