Embedded F-SIR Type Transmission Line with Open-Stub for Negative Group Delay Characteristic

Yoshiki KAYANO  Hiroshi INOUE  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E99-C   No.9   pp.1023-1026
Publication Date: 2016/09/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E99.C.1023
Type of Manuscript: BRIEF PAPER
Category: 
Keyword: 
embedded folded-stepped impedance resonator (F-SIR),  negative group delay,  transmission line with open-stub,  

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Summary: 
Negative group delay characteristics can be used to improve signal-integrity performance such as equalizer for compensation of the group delay of transmission line (TL). This brief-paper newly attempts to propose a concept of the embedded Folded-Stepped Impedance Resonator (F-SIR) structure with open-stub resonator, for negative group delay and slope characteristics at high-frequency as well as low-insertion loss. The concept of the proposed TL is based on the combination of resonance and anti-resonance due to open-stub resonator in order to establish wideband negative group delay and negative slope characteristics. The proposed TL is fabricated on PCB, and then the concept is validated by measurement and simulation.