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A 6-bit digital phase shifter by using HEMT technology
, Article Proceedings - 2012 IEEE 8th International Colloquium on Signal Processing and Its Applications, CSPA 2012 ; 2012 , Pages 29-32 ; 9781467309615 (ISBN) ; Sabaghi, M ; Pourhossien, A ; Kouchaki, M ; Rahnama, M ; Sharif University of Technology
2012
Abstract
A 6-bit passive phase shifter for S frequency band has been designed in a standard HEMT technology. A new switched-network topology has been proposed for implementing the 5.625 phase shift step which these digital bits are series with each other. We used Advanced Design System (ADS2010) to perform simulations. These digital bits will produce 64 different mode phase shift of -177.15 to +177.15 degree. In all cases simulation obtained less than 1 % error