Design and implementation of low noise amplifier for MRI scanner

机译：MRI扫描仪低噪声放大器的设计与实现

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This paper presents the designing and implementation of Low Noise Amplifier for MRI (Magnetic Resonance Imaging) Scanner. MRI Scanner is widely used diagnostic tool which treat in the Diagnosis of Diseases and results non-invasive way of imaging [1] [2]. The RF MRI signal coming from receiving coil must be amplified for further Data-Processing. The Signal undergoes data processing must have low noise as well as desired gain, Thus SNR of MRI is foremost important. This is achieved by using Low noise amplifier (Pre-amplifier) at 1st stage of MRI Scanner Receiver. In this paper low noise amplifier is designed for 1.5T MRI Scanner, having noise figure 0.5-0.6 dB with gain greater than 20 dB at frequency of 63.87 MHz, Bandwidth is 5 MHz.

机译：本文介绍了用于MRI（磁共振成像）扫描仪的低噪声放大器的设计和实现。 MRI扫描仪是一种广泛使用的诊断工具，可用于疾病诊断并以无创方式成像[1] [2]。来自接收线圈的RF MRI信号必须进行放大以进行进一步的数据处理。经过数据处理的信号必须具有低噪声以及所需的增益，因此MRI的SNR最重要。这是通过在MRI扫描仪接收器的第一阶段使用低噪声放大器（前置放大器）来实现的。本文针对1.5T MRI扫描仪设计了低噪声放大器，其噪声系数为0.5-0.6 dB，在63.87 MHz频率，带宽为5 MHz时增益大于20 dB。

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来源
《IEEE International Conference on Recent Trends In Electronics Information Communication Technology》|2016年|744-747|共4页
会议地点 Bengaluru(IN)
作者
Shailesh H. Yadav; Kishor G. Sawarkar; Tapas Bhuiya;
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作者单位

Dept. of Electronics Telecom., Mumbai University MCT's RGIT, Mumbai, India;

Dept. of Electronics Telecom., Mumbai University MCT's RGIT, Mumbai, India;

Technology Innovation Div., S.A.M.E.E.R., IIT Bombay Campus, Mumbai, India;

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原文格式 PDF
正文语种 eng
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关键词
Noise figure; Magnetic resonance imaging; Gain; Low-noise amplifiers; Circuit stability; Linearity; Receivers;

机译：噪声系数;磁共振成像;增益;低噪声放大器;电路稳定性;线性度;接收器;

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1. Assessing the influence of scanner background noise on auditory processing. II. An fMRI study comparing auditory processing in the absence and presence of recorded scanner noise using a sparse design. [J] . Gaab N, Gabrieli JD, Glover GH Human brain mapping . 2007,第8期

机译：评估扫描仪背景噪声对听觉处理的影响。二。 fMRI研究使用稀疏设计比较了在不存在和存在记录的扫描仪噪声的情况下的听觉处理。
2. Assessing the influence of scanner background noise on auditory processing. I. An fMRI study comparing three experimental designs with varying degrees of scanner noise. [J] . Gaab N, Gabrieli JD, Glover GH Human brain mapping . 2007,第8期

机译：评估扫描仪背景噪声对听觉处理的影响。 I.一项功能磁共振成像研究，比较了三种实验设计和不同程度的扫描仪噪声。
3. A Novel 100 MHz–45 GHz Input-Termination-Less Distributed Amplifier Design With Low-Frequency Low-Noise and High Linearity Implemented With A 6 Inch 0.15 μm GaN-SiC Wafer Process Technology [J] . Kevin W. Kobayashi, Dan Denninghoff, Dain Miller IEEE Journal of Solid-State Circuits . 2016,第9期

机译：采用6英寸0.15μmGaN-SiC晶片工艺技术实现的具有低频低噪声和高线性度的新颖的100 MHz–45 GHz更少输入端分布分布式放大器设计
4. Design and Implementation of Low Noise Amplifier for MRI Scanner [C] . Shailesh H. Yadav, Kishor G. Sawarkar, Tapas Bhuiya IEEE International Conference on Recent Trends in Electronics, Information Communication Technology . 2016

机译：MRI扫描仪低噪声放大器的设计与实现
5. Design and Implementation of a Silicon-Germanium Low Noise Amplifier for W-Band Imaging Applications [D] . Caster, Francis M., II. 2012

机译：用于W波段成像应用的硅 - 锗低噪声放大器的设计与实现
6. Assessing the influence of scanner background noise on auditory processing. II. An fMRI study comparing auditory processing in the absence and presence of recorded scanner noise using a sparse design [O] . Nadine Gaab, John D.E. Gabrieli, Gary H. Glover 2007

机译：评估扫描仪背景噪声对听觉处理的影响。二。 fMRI研究使用稀疏设计比较了在不存在和存在记录的扫描仪噪声的情况下的听觉处理
7. Compact low‐noise power amplifier design and implementation for millimetre wave frequencies [O] . Chien‐Ming Tsao, Yi‐Fan Tsao, Tzu‐Shuen Lin, 2020

机译：毫米波频率的紧凑型低噪音功率放大器设计和实现

Design and implementation of low noise amplifier for MRI scanner

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