Simplified Ionization Gauge Circuit with Logarithmic Pressure Scale
作者:
P. Hariharan,
M. S. Bhalla,
期刊:
Review of Scientific Instruments
(AIP Available online 1956)
卷期:
Volume 27,
issue 7
页码: 448-449
ISSN:0034-6748
年代: 1956
DOI:10.1063/1.1715608
出版商: AIP
数据来源: AIP
摘要:
The control circuit described utilizes a logarithmic difference amplifier to measure the ratio of the positive ion current to the electron current drawn by the gauge. This eliminates the necessity of stabilizing the electron current within close limits and permits direct readings of pressures ranging from 10−3to 10−7mm of mercury on a single logarithmic scale.
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