A sensitive displacement transducer using an extremely reentrant 84 MHz cavity oscillator
作者:
Craig T. Van Degrift,
期刊:
Review of Scientific Instruments
(AIP Available online 1974)
卷期:
Volume 45,
issue 9
页码: 1171-1172
ISSN:0034-6748
年代: 1974
DOI:10.1063/1.1686838
出版商: AIP
数据来源: AIP
摘要:
A single‐turn toroidal optimization of the inductor in the LC circuit of a capacitive displacement transducer is described. It has a higher Q than the usual multiturn coil and allows the construction of a rigid LC resonator which does not use any insulators. When this resonator is used in conjunction with a tunnel diode oscillator, the sensitivity of the capacitor to position changes is conservatively estimated as 7×10−12cm.
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