Title :
Low cost ferrite toroid phase shifter for broadband applications
Author :
El-Sharawy, E.-B. ; Gaglione, S. ; Partlow, D.
Author_Institution :
Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA
Abstract :
This paper presents analysis and modeling of a novel single toroid phase shifter. This phase shifter exhibits large phase shift and broadband frequency characteristics of up to 3:1. The single toroid can be fabricated using a low cost green tape process which can be fired at low temperature. A coplanar strip line is cofired inside the toroid to allow more efficient penetration of the RF fields into the toroid. A differential phase shift of 35 Deg/cm over a 3:1 bandwidth is predicted for the new phase shifter.
Keywords :
ferrite phase shifters; magnetic microwave devices; microwave phase shifters; 6 to 18 GHz; broadband applications; broadband frequency characteristics; coplanar strip line; ferrite toroid phase shifter; low cost green tape process; low cost phase shifter; low temperature firing; modeling; Bandwidth; Costs; Ferrites; Frequency; Magnetic analysis; Magnetic circuits; Magnetic flux; Phase shifters; Phased arrays; Toroidal magnetic fields;
Conference_Titel :
Microwave Symposium Digest, 1999 IEEE MTT-S International
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
0-7803-5135-5
DOI :
10.1109/MWSYM.1999.779592
