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- Title
Active Reduction of Apparent Cable Capacitance.
- Authors
Melin, Alexander; Roberts, Michael; Kisner, Roger
- Abstract
This paper presents a method for reducing apparent cable capacitance seen by sensors. The proposed method is designed for sensing in extreme environments including ultra-high temperatures, but can be applied in benign environments as well. By reducing the cable capacitance, high speed signals can be transmitted over longer distances, allowing the application of advanced control systems that require high bandwidth data for stable operation. A triaxial cable with an associated guard circuit is developed that actively reduces cable capacitance while also rejecting extraneous electric and magnetic interference on the signal. The active capacitance reduction method developed is tested experimentally and shown to reduce apparent cable capacitance to two percent of the static value.
- Subjects
ELECTRIC interference; EXTREME environments; COAXIAL cables
- Publication
Sensors (14248220), 2023, Vol 23, Issue 19, p8319
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s23198319