Signal-to-noise ratio in amplifiers with an input cable

被引：0

作者：

Brovchenko, VG ^{[1
]}

机构：

[1] Kurchatov Inst, Russian Res Ctr, Moscow 123182, Russia

来源：

INSTRUMENTS AND EXPERIMENTAL TECHNIQUES | 1998年 / 41卷 / 04期

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The amplifier noise level is analyzed when the detector and amplifier are connected by a cable. It is shown that the input cable of the proposed amplifier has a characteristic length that stops affecting the noise level when exceeded. The preamplifier noise level decreases if the time of the signal formation in the filter decreases. The noise level as a function of the gain of the preamplifier input stage is given. Some recommendations on the increase of the signal-to-noise ratio for similar devices are formulated. The length of the applied input cables ranges from 1 to 100 m. The minimum duration of the preamplifier output signals is 200 ns.

引用

页码：513 / 517

页数：5

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