Alternativní metody buzení magnetizace magnetorezistoru

Abstract

At present, the field of electromagnetic compatibility of electronic devices is becoming increasingly important. These efforts have resulted in tightening standards focusing on the emission of electronic equipment. Problems also affect sensor technology, which is due to increasing the bandwidth of sensors shifts to higher frequency areas. Microcontrollers and other digital circuits, which have an adverse effect on their electromagnetic radiation, become an integrated part of current sensors. The aim is to demonstrate the possibility of using techniques from the field of signal transmission into the sensor technology - specifically in the field of measurement of weak magnetic fields. The advantages and disadvantages of such a solution, its circumferential demands and comparison with classical systems are described. Anisotropic magnetoresistive sensors (AMR) have been chosen from a wide range of magnetic field sensors for experimental purposes and the experiments have been directed to control their magnetization.