Current mirrors

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A 23.9-μW 13.6-Bit Period Modulation-Based Capacitance-to-Digital Converter With Dynamic Current Mirror Front-End
A 23.9-μW 13.6-Bit Period Modulation-Based Capacitance-to-Digital Converter With Dynamic Current Mirror Front-End 150 150
Author(s): Hyeyeon Lee, Donguk Seo, Young-Jin Woo, Yoonmyung Lee, Inhee Lee, Youngcheol Chae

Abstract:

This letter proposes a low-power high-precision capacitance-to-digital converter (CDC) utilizing a dynamic current mirror (DCM) to transform a sensor input capacitance $(C_{\mathrm{ IN}})$ into an output current. The resulting current is directly proportional to the ratio of $C_{\mathrm{ IN}}$ to an internal reference capacitor $(C_{\mathrm {REF}})$ and …

Published in: IEEE Solid-State Circuits Letters
Page(s): 135 – 138
Year of Publication: 2024
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2024.3382813
Publisher: IEEE

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A 300- $\mu$ W 2.4-GHz PVT-Insensitive Subthreshold Reference-Based LNA
A 300- $\mu$ W 2.4-GHz PVT-Insensitive Subthreshold Reference-Based LNA 150 150
Author(s): Martin Lee, Motaz Mohamed Elbadry, Kambiz Moez

Abstract:

This article introduces a novel ultra-low-power reference-based low-noise amplifier (LNA) designed to reduce performance variations due to process, voltage, and temperature (PVT) when operating in the subthreshold region. The LNA is embedded within a reference circuit that directly controls the performance of the LNA over PVT variations. By combining the …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2024
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2024.3375154
Publisher: IEEE

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