Paper Info
Title
Quad-Mode LTCC Surface Mounted Packaging Common-Mode Filter Based on the Asymmetric Short-Stub Loaded Resonator
Abstract
A novel quad-mode common-mode filter (CMF) with ultra-wideband and high common-mode (CM) rejection-level is proposed based on the asymmetric short-stub loaded resonator (ASSLR). By utilizing the ASSLR, four resonant modes can be introduced for the initial CMF design under the even-mode operation, and correspondingly generate four CM transmission zeros. However, the initial CMF design achieves a weak CM noise suppression performance. Then, the CMF using the modified ASSLR is proposed for CM stopband enhancement. Finally, a surface mounted packaging CMF prototype is fabricated with the physical size of 6mm <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\times 4.5$ </tex-math></inline-formula> mm <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\times 0.6$ </tex-math></inline-formula> mm by using low-temperature co-fired ceramic (LTCC) technology. The measured results agree well with the simulated ones. The proposed quad-mode CMF exhibits excellent performances including high differential-mode cutoff frequency (10GHz), and an ultra-wide −15dB CM stopband with a fractional bandwidth of 104.5%.
Year
DOI
Venue
2020
10.1109/TCSII.2019.2959669
IEEE Transactions on Circuits and Systems II: Express Briefs
Keywords
DocType
Volume
Integrated circuit modeling,Impedance,Resonant frequency,Equivalent circuits,Filtering theory,Prototypes
Journal
67
Issue
ISSN
Citations 
10
1549-7747
2
PageRank 
References 
Authors
0.46
0
5
Name
Order
Citations
PageRank
Yongrong Shi173.52
Peng Zhou220.80
Wenjie Feng34512.75
Yifan Guo420.46
Wanchun Tang551.24