High-Frequency-Carrier Type Thin Film Magnetic Field Sensor for AC Detection
| Autor: | Shin Yabukami, Masafumi Yamaguchi, Ken Ichi Arai, Hiroaki Kikuchi, Hiroshi Mawatari |
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| Rok vydání: | 2003 |
| Předmět: |
Materials science
Sideband business.industry Condensed Matter Physics Carrier current Electronic Optical and Magnetic Materials Magnetic field High impedance Optoelectronics Electrical and Electronic Engineering Thin film business Instrumentation Current density Sensitivity (electronics) Electrical impedance |
| Zdroj: | Journal of the Magnetics Society of Japan. 27:414-418 |
| ISSN: | 0285-0192 |
| Popis: | We designed high-frequency-carrier type thin film sensors to obtain high impedance change. We considered the relationships between carrier current density and noise level, carrier current density and sideband level, and optimum impedance of sensor element. The meander type sensor element fabricated had an impedance change of 30 Ω/Oe at 500 MHz. Sensitivity of 4.5×10-8 Oe was demonstrated at 501 kHz using a carrier-suppression technique. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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