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A compact UWB bandpass filter with a wide upper stopband using multiple transmission zeros
Author(s) -
Hon Kuan,
MinHang Weng
Publication year - 2008
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.23103
Subject(s) - stopband , band pass filter , elliptic filter , electronic filter topology , band stop filter , electronic engineering , filter (signal processing) , voltage controlled filter , prototype filter , microwave , engineering , physics , acoustics , electrical engineering , filter design , low pass filter , telecommunications
In this article, a compact bandpass filter is proposed for lower band (3.1–4.9 GHz) of ultra‐wideband applications. The filter is mainly composed of a pseudo‐interdigital wideband bandpass filter (PI‐WBF) and a multiple transmission‐zeros structure (MTZS), being a bandstop filter. By using the MTZS, multiple transmission zeros can be located in the upper stopband of the PI‐WBF. The design procedure is discussed in detail. The designed filter was fabricated and measured. Measured results also have a good agreement with the simulated results. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 380–382, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23103