Regulation of Ionization Gauge Emission Current to Better than 0.05%
作者:
Kenneth W. Yee,
Robert J. Carpenter,
期刊:
Review of Scientific Instruments
(AIP Available online 1963)
卷期:
Volume 34,
issue 10
页码: 1101-1103
ISSN:0034-6748
年代: 1963
DOI:10.1063/1.1718142
出版商: AIP
数据来源: AIP
摘要:
A control system is described for regulating the temperature‐limited emission current from the filament of an ionization gauge tube. A dc transistor circuit is used with a lamp and a photosensitive resistor to provide electrical isolation between the control and the controlled circuits. Emission currents from 10 to 0.5 mA can be maintained with a stability of better than 0.05% with the system.
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