Title :
A Ka-band 4-bit monolithic phase shifter using unresonated FET switches
Author :
Maruhashi, K. ; Mizutani, H. ; Ohata, K.
Author_Institution :
Kansai Electron. Res. Labs., NEC Corp., Shiga, Japan
Abstract :
This paper presents a Ka-band 4-bit monolithic phase shifter incorporating novel unresonated FET switches which show broadband on/off characteristics up to 40 GHz without inductors. The developed switched-line phase shifter MMIC demonstrated an overall phase deviation of 3.3/spl deg/ rms and an insertion loss deviation of 0.9 dB rms at 34.5 GHz. Over a relatively wide frequency range from 33 to 36 GHz, the phase deviation was less than 7/spl deg/ rms. The chip size of the MMIC is 2.5 mm/spl times/2.2 mm.
Keywords :
MMIC phase shifters; field effect transistor switches; 33 to 40 GHz; 4 bit; Ka-band; MMIC; OEST; insertion loss; switched-line monolithic phase shifter; unresonated FET switch; Circuit topology; Delay lines; FETs; Frequency; Inductors; MMICs; Phase shifters; Phased arrays; Switches; Switching circuits;
Conference_Titel :
Radio Frequency Integrated Circuits (RFIC) Symposium, 1998 IEEE
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-4439-1
DOI :
10.1109/RFIC.1998.682078
