Compact UWB Bandpass Filter Based on Signal Interference Techniques

This letter presents a new type of compact ultra-wideband (UWB) bandpass filter (BPF) based on interference techniques. The structure is formed by a short-ended coupled line coupler connected in parallel to a transmission line. The transmission and reflection zeros of the filter can be controlled th...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2009-11, Vol.19 (11), p.692-694
Main Authors: Sanchez-Soriano, M.A., Bronchalo, E., Torregrosa-Penalva, G.
Format: Article
Language:English
Subjects:
Applied sciences
Band pass filters
Bandpass filter (BPF)
Bandpass filters
Circuit properties
coupled line
Couplings
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Equations
Exact sciences and technology
Fabrication
Filtering theory
Frequency filters
Interference
Joining
Mathematical analysis
Microstrip filters
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Reflection
signal interference
Transmission line measurements
Transmission lines
transmission zero
Ultra wideband technology
ultra-wideband (UWB)
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Summary:This letter presents a new type of compact ultra-wideband (UWB) bandpass filter (BPF) based on interference techniques. The structure is formed by a short-ended coupled line coupler connected in parallel to a transmission line. The transmission and reflection zeros of the filter can be controlled through the analytical equations and rules given. To validate the suggested filter scheme, the design, fabrication and measurement of a microstrip UWB BPF is presented.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2009.2032001