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Title: An UWB multi-frequency transformer
Authors: Fan, Y.J.
Ooi, B.L. 
Leong, M.S. 
Keywords: Dual frequency
Ultra wide band (UWB)
Issue Date: 2006
Citation: Fan, Y.J.,Ooi, B.L.,Leong, M.S. (2006). An UWB multi-frequency transformer. 2006 IEEE Singapore International Conference on Communication Systems, ICCS 2006 : -. ScholarBank@NUS Repository.
Abstract: A novel multi-frequency transformer is developed based on dual frequency transformer reported recently. Different from dual frequency transformer, which has two steep poles, the return loss curve of the transformer developed in this paper has one steep pole with two gentle side poles. This transformer can achieve ultra-wideband because it makes use of big separation ratio between center frequencies as employed in dual frequency transformer. At the same time, the gentle side poles avoid sharp jump of peak values between two adjacent poles. The transmission line analysis shows that the three-pole transformer can achieve 120% bandwidth compared to 60% of dual frequency transformer. © 2006 IEEE.
Source Title: 2006 IEEE Singapore International Conference on Communication Systems, ICCS 2006
ISBN: 1424404118
DOI: 10.1109/ICCS.2006.301517
Appears in Collections:Staff Publications

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