نتایج جستجو برای: hall sensor
تعداد نتایج: 257706 فیلتر نتایج به سال:
Traditionally, current transformers are often used for current measurement in low voltage (LV) electrical networks. They have a large physical size and are not designed for use with power electronic circuits. Semiconductor-based current sensing devices such as the Hall sensor and Giant Magnetoresistive (GMR) sensor are advantageous in terms of small size, high sensitivity, wide frequency range,...
In this paper we present a novel split-current magnetic sensor (bulk Hall plate operated in the current mode) with onchip circuitry, fabricated in an industrial 2 pm CMOS process. The sensor consists of a low-doped resistive path with one input and three output terminals. The on-chip circuit controls the biasing of the sensor, calculates the difference between the currents flowing through the o...
ABB’s new fiber-optic current sensor (FOCS) for the electro-winning industry Klaus Bohnert Peter Guggenbach Current measurement systems within the electro-winning industry are a necessity. Traditionally the measurement of dc currents up to 500 kA requires highly sophisticated current transducers. These transducers, commonly based on the Hall effect, tend to be bulky and heavy. In fact those use...
Highly flexible bismuth Hall sensors on polymeric foils are fabricated, and the key optimization steps that are required to boost their sensitivity to the bulk value are identified. The sensor can be bent around the wrist or positioned on the finger to realize an interactive pointing device for wearable electronics. Furthermore, this technology is of great interest for the rapidly developing ma...
Flux Iattice melting in B12Sr2CaCu20s+~ (Bi-2212) single crystals has recently been studied by various techniques. In this contribution to the 1. Schegolev Memorial Volume we review some experiments and compare their results. Muon-spin rotation and small angle neutron scattenng (SANS) gave the first indications for an abrupt change of the flux Iattice structure along a hne in the B T phase diag...
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