PULSE (PHOTON) COUNTING - HIGH-SPEED, DIRECT CURRENT-COUPLED PULSE COUNTER

被引：20

作者：

DARLAND, EJ ^{[1
]}

HORNSHUH, JE ^{[1
]}

ENKE, CG ^{[1
]}

LEROI, GE ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV,DEPT CHEM,E LANSING,MI 48824

来源：

ANALYTICAL CHEMISTRY | 1979年 / 51卷 / 02期

关键词：

D O I：

10.1021/ac50038a022

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An amplifier/discriminator/prescaler module which forms a complete, high-performance pulse counter when combined with any standard TTL counter is described. It is constructed with readily-available integrated circuits and costs less that 150, yet has high sensitivity (130 μV) and is capable of very high count rates (>90 MHz with periodic Input pulses; pulse pair resolution ≃ 11 ns). The entire circuit is dc coupled so that there is no base-line shift at any count rate. The discriminator level is voltage programmable and the amount of prescaling can be selected remotely. Extra precautions taken to ensure drift-free operation of the electronics result in a pulse counter with excellent long-term stability. © 1979, American Chemical Society. All rights reserved.

引用

页码：245 / 250

页数：6

共 17 条

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HORNSHUH, JE
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[J]. ANALYTICAL CHEMISTRY, 1979, 51 (02) : 245 - 250
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[J]. ANALYTICAL CHEMISTRY, 1973, 45 (08) : 1468 - 1473

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