noise figure (NF)

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Adaptive Linearity Enhancement of Low-Noise Amplifiers Using Doherty Active Load Modulation

Adaptive Linearity Enhancement of Low-Noise Amplifiers Using Doherty Active Load Modulation 150 150
Author(s): Hao Yu, Zhaojing Fu, Lianbo Liu, Qiang Zhou, Taiyun Chi, Sensen Li

Abstract:

This article introduces Doherty active load modulation into low-noise amplifier (LNA) designs to dynamically enhance linearity. Under nominal small-signal conditions, the proposed LNA operates like conventional counterparts, consuming no additional power. When strong in-band blockers are present, auxiliary paths are adaptively engaged to activate a high-linearity mode without incurring a …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3667125
Publisher: IEEE

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A 0.5-/0.95-dB NF, 50-/25-Ω Configurable CMOS Front-End ASIC for the Readout of Liquid Argon Calorimeter in the LHC

A 0.5-/0.95-dB NF, 50-/25-Ω Configurable CMOS Front-End ASIC for the Readout of Liquid Argon Calorimeter in the LHC 150 150
Author(s): Mietek Dabrowski, Filip Tavernier, Paul Leroux

Abstract:

This article presents the design of a four-channel front-end application specific integrated circuit (ASIC), ATLAS liquid argon front-end (ALFE), developed for the readout of the liquid-argon calorimeter (LAr) detector in the ATLAS experiment at the Large Hadron Collider (LHC). ALFE enables the readout of current signals induced in the LAr …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 15
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3602751
Publisher: IEEE

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