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A subsystem of a computer or other electronic device that turns electric power from a wall plug or batteries into a form suitable for use by the system. power-system automation The implementation of power-operated switching and control that allows automatic operation of power system elements, instead of manual operation. power-system protection
Digital electronics is a field of electronics involving the study of digital signals and the engineering of devices that use or produce them. This is in contrast to analog electronics which work primarily with analog signals. Despite the name, digital electronics designs includes important analog design considerations.
The amount of ripple can be traded for other parameters in the filter design. For instance, the rate of roll-off from the passband to the stopband can be increased at the expense of increasing the ripple without increasing the order of the filter (that is, the number of components has stayed the same). On the other hand, the ripple can be ...
The Western Electric Company was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.
While performance can be temporarily increased when the computer is not hot (overclocking), [33] in order to protect the hardware from excessive heat, the system will automatically reduce performance or shut down the processor if necessary. [32] Processors also will shut off or enter a low power mode when inactive to reduce heat. [34]
An active filter can have gain, increasing the power available in a signal compared to the input. Passive filters dissipate energy from a signal and cannot have a net power gain. Passive filters dissipate energy from a signal and cannot have a net power gain.
An EPC RFID tag used by Wal-Mart.. The Electronic Product Code (EPC) is designed as a universal identifier (using an idiosyncratic numerical code for each different commodity [1]) that provides a unique identity for every physical object anywhere in the world, for all time.
A power inverter, inverter, or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). [1] The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of rectifiers which were originally large electromechanical devices converting AC to DC. [2]
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