Publication

A current-mode back-end for a sensor microsystem

Maher Kayal, Marc Pastre
2011
Conference Papers

Abstract

is paper presents a voltage-to-current converter as a current-mode output buffering stage for sensor interfaces. The converter can be used in any microsystem needing a current output. It is presented here in the context of a Hall sensor microsystem. The system is fully differential with an output stage that converts a discrete input voltage into a continuous current. The Hall sensor microsystem, using the voltage-to-current back-end, has been fabricated and measured in a 0.35 μm CMOS technology. The entire system performs with non-linearity lower than ±0.08% and maximum output current of ±3mA. © 2011 IEEE.

Official source

https://infoscience.epfl.ch/entities/publication/1e4216c4-ad3c-4964-bcc2-1b55185df343

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Maher Kayal, Marc Pastre
2011
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1e4216c4-ad3c-4964-bcc2-1b55185df343

About this result

Related concepts (32)

High-voltage direct current

A high-voltage direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. Most HVDC links use voltages between 100 kV and 800 kV. However, a 1,100 kV link in China was completed in 2019 over a distance of with a power capacity of 12 GW. With this dimension, intercontinental connections become possible which could help to deal with the fluctuations of wind power and photovoltaics.

Alternating current

Alternating current (AC) is an electric current which periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. A common source of DC power is a battery cell in a flashlight.

Direct current

Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor such as a wire, but can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams. The electric current flows in a constant direction, distinguishing it from alternating current (AC). A term formerly used for this type of current was galvanic current.

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A current-mode back-end for a sensor microsystem

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