Ultra-low Noise Differential Pre-amplifier Design and Its Noise Floor Measurement

被引：0

作者：

Ni, Xiu-hui ^{[1
]}

Zheng, Yi ^{[1
]}

Xu, Yan ^{[1
]}

机构：

[1] Shandong Acad Sci, Inst Oceanog Instrumentat, Qingdao 266001, Peoples R China

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON COMPUTER NETWORKS AND COMMUNICATION TECHNOLOGY (CNCT 2016) | 2016年 / 54卷

关键词：

Low noise; Preamplifier; Noise measurement;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper describes a differential amplifier which is based on the discrete/op-amp combo design, the noise performance test method and the test results are also given. Experiments shows that an ultra-low noise amplifier are achieved, the Bipolar input amplifier's input equivalent noise density is less than 2nv/rt-Hz, the BIFET input amplifier's input equivalent noise density is less than 5nv/rt-Hz. The combo design scheme presents high low-noise performance which matches traditional complex discrete component design but exceeds it with much more simplicity and feasiblility.

引用

页码：413 / 418

页数：6

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