A Variable-Gain Low-Noise Transimpedance Amplifier for Miniature Ultrasound Probes
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2020.3023618
Abstract: This article presents a low-noise transimpedance amplifier (TIA) designed for miniature ultrasound probes. It provides continuously variable gain to compensate for the time-dependent attenuation of the received echo signal. This time-gain compensation (TGC) compresses the… read more here.
Keywords: noise transimpedance; transimpedance amplifier; gain; variable gain ... See more keywords
Subfemtoampere Resolved Ionization Current Measurements Using a High-Resistance Transimpedance Amplifier
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3164155
Abstract: In low-dose-rate dosimetry using ionization chambers, the predominant component in the uncertainty budget is a measurement uncertainty of current at a measurement range of around 10 fA. To improve this, in this article, we report… read more here.
Keywords: uncertainty; transimpedance amplifier; resistance; ionization ... See more keywords