NDLI: Compact wideband-balanced bandpass filter with high-selectivity and wideband CM suppression

Content Provider	IET Digital Library
Author	Shi, Jin Shen, Zhidan Qiang, Jun Cao, Qinghua
Abstract	A wideband-balanced bandpass filter is presented using two half-wavelength transmission lines, two coupled lines and one-stepped impedance stub. Compared to the reported wideband-balanced bandpass filters, the proposed one shows the advantages of small total length, high-frequency selectivity and wideband common-mode (CM) suppression. The bandwidth of CM suppression and differential-mode transmission, and the positions of transmission zeros are controllable by the parameters. One prototype was designed, fabricated and measured with the total length of 2λ g (λ g is the guided wavelength at the centre frequency f 0), 3 dB fractional bandwidth of 61% and 15 dB CM suppression bandwidth of 3.67f 0.
Starting Page	32
Ending Page	33
Page Count	2
ISSN	00135194
Volume Number	54
e-ISSN	1350911X
Issue Number	Issue 1, Jan (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/54/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.2771
Journal	Electronics Letters
Publisher Date	2017-11-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Band-pass Filter Common-mode Suppression Compact Wideband-balanced Bandpass Filter Coupled Circuit Coupled Line Coupled Transmission Line Differential-mode Transmission Half-wavelength Transmission Line High-frequency Selectivity High-selectivity CM Suppression Passive Filter Passive Network Stepped Impedance Stub Wideband CM Suppression
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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