Title :
Design of ultra-wideband Magic-T using microstrip/slot coupler and phase shifter
Author :
Ying Wang;Guang Hua;Jing Du
Author_Institution :
State Key Laboratory of Millimeter wave Technology, Nanjing, Jiangsu, China
Abstract :
A broadband Magic-T using 3-dB coupler and 90° phase shifter is proposed in this paper. Microstrip/Slot technology has been employed in the design. Compared with the conventional magic-T, it can operate over an ultra-wideband. Results of simulation and measurement show that the relative bandwidth is 105 % with the VSWR less than 1.85, and the insertion loss less than 1.6 dB. The phase ripple is ±12°. The isolation is greater than 13dB across 2.5-8GHz.
Keywords :
"Phase shifters","Couplers","Microstrip","Ultra wideband technology","Decision support systems","Broadband communication","Bandwidth"
Conference_Titel :
Microwave Conference (APMC), 2015 Asia-Pacific
Print_ISBN :
978-1-4799-8765-8
DOI :
10.1109/APMC.2015.7411623
