Compact Low-Loss Reconfigurable Bandpass Filter With Switchable Bandwidth

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题名:	Compact Low-Loss Reconfigurable Bandpass Filter With Switchable Bandwidth
作者:	Tu,WH
贡献者:	電機工程學系
关键词:	STEPPED-IMPEDANCE RESONATORS
日期:	2010
上传时间:	2012-03-28 10:10:34 (UTC+8)
出版者:	國立中央大學
摘要:	A reconfigurable bandpass filter (BPF) is presented using a resonator with switchable number of transmission poles at 1.5 GHz. The resonator consists of a uniform resonator, a p-i-n diode, and an open loop. The diode is used to connect/isolate the open loop to/from the uniform resonator. When the open loop is loaded, the resonator has three transmission poles, and the BPF achieves a wideband response. On the other hand, the resonator has one transmission pole, and the BPF exhibits a narrow-band response when the open loop is disconnected. In comparison to previous work, the proposed reconfigurable BPF features a compact size, low insertion losses, minimum diode number, and a fair pass-band tuning ratio.
關聯:	IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
显示于类别:	[電機工程學系] 期刊論文

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