NDLI: Non-dispersive tunable reflection phase shifter based on non-Foster circuits

Content Provider	IET Digital Library
Author	Gao, Fei Zhang, Fushun Long, Jiang Jacob, Minu Sievenpiper, Daniel
Abstract	A new non-dispersive tunable reflection phase shifter is introduced based on the artificial magnetic conductor (AMC) loaded with non-Foster circuits (NFCs). An AMC structure circuit model is extracted and the possibility of mitigating its intrinsic strong dispersion is discussed by loading it with both negative capacitance and negative inductance. The NFC is designed to produce the negative capacitance and inductance based on highly accurate, scalable measurement-based models, and co-simulated with a realistic model of the AMC. The numerical results are in good agreement with the analysis and show a nearly flat reflection phase from 450 to 600 MHz. This flat reflection phase can further be tuned by tuning the loaded inductance from 30 to 50 nH. This investigation paves the way towards a dispersion-less reflection phase shifter design.
Starting Page	1616
Ending Page	1618
Page Count	3
ISSN	00135194
Volume Number	50
e-ISSN	1350911X
Issue Number	Issue 22, Oct (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/50/22
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2014.2863
Journal	Electronics Letters
Publisher Date	2014-10-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Analogue Circuit Dispersionless Reflection Phase Shifter Flat Reflection Phase Frequency 450 MHz Frequency 600 MHz Loaded Artificial Magnetic Conductor Loaded Inductance Magnetic Material Microwave Circuit And Device Microwave Magnetic Device Microwave MetaMaterial Negative Capacitance Negative Inductance Nondispersive Tunable Reflection Phase Shifter NonFoster Circuit UHF Phase Shifters
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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