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Conference Papers Year : 2015

A high-Q Tunable Grounded Negative Inductor for Small Antennas and Broadband Metamaterials

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Abstract

This paper presents a broadband high-Q tunable negative inductor based on a gyrator topology. In order to reduce the risk of instability and to increase circuit bandwidth, simple inverters are used as transconductance amplifier. A complete stability analysis and careful circuit design details using SOI 180 nm technology are presented. Post-layout simulations results show a negative inductance variation from -24 nH to -13.7 nH. For a bandwidth from 10 MHz to 1 GHz, inductance value error remains under 12.5 %. Circuit power consumption is 16 mW; and area consumption is 120 μm by 84 μm.
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Dates and versions

hal-01222040 , version 1 (05-10-2022)

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Emilie Avignon-Meseldzija, Pietro Maris Ferreira, Lekkas Konstantinos, Fabrice Boust. A high-Q Tunable Grounded Negative Inductor for Small Antennas and Broadband Metamaterials. 2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS 2015), Jun 2015, Grenoble, France. ⟨10.1109/NEWCAS.2015.7182001⟩. ⟨hal-01222040⟩
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