NDLI: L-section matching with notches and its application for composite lowpass filter with spurious signal suppression

Content Provider	IET Digital Library
Author	Lee, H. K. Jung, D. Ren, D. Choi, J. H.
Abstract	L-section matching circuits are used for various applications. Such circuits can be advanced to provide notch responses to suppress undesired spurious signals. The design guide that allows integration of notch responses in the L-section matching circuits is presented. With given impedance at the targeted matching frequency and notch frequencies, a matching circuit with the spurious signal suppressing notches can be simply designed based on the closed-form equations provided. A composite lowpass filter (LPF) based on the image parameter method is composed of two matching sections and two filter sections. Replacing conventional matching sections with the proposed L-section matching circuits, an LPF with spurious signal notches can be realised. The proposed matching circuit and filter with spurious suppression notches will bring an added dimension of design freedom for modern communication systems that demand stringent out-of-band requirements.
Starting Page	636
Ending Page	638
Page Count	3
ISSN	00135194
Volume Number	54
e-ISSN	1350911X
Issue Number	Issue 10, May (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/54/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.0588
Journal	Electronics Letters
Publisher Date	2018-04-17
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Closed-form Equation Communication System Composite Lowpass Filter Filter And Other Network Filtering Method in Signal Processing Image Filtering Image Matching Image Parameter Method Image Recognition L-section Matching Circuit Low-pass Filter LPF Spurious Signal Suppression
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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