Ultra broadband MMIC 5-bit time shifter

An ultra broadband (2-18 GHz) MMIC 5-bit time shifter based on a new concept for the two least significant bits is presented. The basic idea is to reduce the number of switches as compared to the conventional time shifter based on single pole double throw (SPDT) switches. This has an impact on the l...

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Published in1999 Asia Pacific Microwave Conference. APMC'99. Microwaves Enter the 21st Century. Conference Proceedings (Cat. No.99TH8473) Vol. 2; pp. 242 - 245 vol.2
Main Authors Ouacha, A., Carlegrim, B., Alfredson, M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1999
Subjects
Capacitance
Circuits
Cutoff frequency
Delay effects
Impedance
Inductance
MMICs
Phase shifters
Radar applications
Switches
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Summary:An ultra broadband (2-18 GHz) MMIC 5-bit time shifter based on a new concept for the two least significant bits is presented. The basic idea is to reduce the number of switches as compared to the conventional time shifter based on single pole double throw (SPDT) switches. This has an impact on the losses as well as on the circuit area of the time shifter. The 5-bit time shifter is designed for a corresponding delay in air between 1.5 and 46.5 mm and occupies an area of 3.90/spl times/1.95 mm/sup 2/.
ISBN:0780357612
9780780357617
DOI:10.1109/APMC.1999.829789