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
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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
收藏
页码：513 / 517
页数：5
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