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Title: A novel broadband 90°Phase shifter
Authors: Tang, X. 
Mouthaan, K. 
Issue Date: 2008
Citation: Tang, X.,Mouthaan, K. (2008). A novel broadband 90°Phase shifter. Proceedings of 2008 Asia Pacific Microwave Conference, APMC 2008 : -. ScholarBank@NUS Repository.
Abstract: The 90°phase bit of high-pass/low-pass phase shifter suffers from large phase errorcompared to the smaller phase bits. To improve the phase error performance, this work develops a network that provides a differential phase of 90°with a small phase error (<±2°) over a large bandwidth. Compared to other work focused on this bit, the new network shows theoretical bandwidth of 88% (2.6:1) while keeping the return loss better than 17 dB. The experimental result shows a ±2.5°bandwidth of 102% (3:1), a return loss better than 12 dB and an amplitude variation less than 0.5 dB from 0.94 GHz to 2.89 GHz. ©2008 IEEE.
Source Title: Proceedings of 2008 Asia Pacific Microwave Conference, APMC 2008
ISBN: 9781424426423
DOI: 10.1109/APMC.2008.4958037
Appears in Collections:Staff Publications

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