A low-power low-noise ultrasonic receiver front-end IC for medical imaging systems

2017 International SoC Design Conference (ISOCC) Pub Date : 2017-11-01 DOI:10.1109/ISOCC.2017.8368916

F. U. Putri, Hyouk-Kyu Cha

引用次数: 0

Abstract

An ultrasonic receiver front-end interface IC for capacitive micromachined ultrasound transducer in medical imaging systems is presented in this work. The proposed receiver front-end IC is comprised of a low-noise preamplifier providing a transimpedance gain of approximately 103 dBohm, followed by a low-power time-gain-compensation amplifier with accurate programmable gain. An input referred noise current density of 380 fA/VHz is obtained in the front-end IC while consuming 1.28 mW at 1.5-V supply. The proposed IC is designed using 180 nm CMOS process and the overall area is 0.042 mm2.

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一种用于医学成像系统的低功耗低噪声超声接收器前端集成电路

介绍了一种用于医学成像系统中容性微机械超声换能器的超声接收器前端接口集成电路。所提出的接收器前端IC由提供约103 dBohm的跨阻增益的低噪声前置放大器组成，然后是具有精确可编程增益的低功耗时间增益补偿放大器。在1.5 v电源下，前端IC的输入参考噪声电流密度为380 fA/VHz，功耗为1.28 mW。该集成电路采用180nm CMOS工艺设计，总面积为0.042 mm2。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 International SoC Design Conference (ISOCC)

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