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UM-45MV 50mV DC Full Scale 4 1/2 DIGIT with 0.56” LEDs
UM-45MV 50mV DC Full Scale 4 1/2 DIGIT with 0.56” LEDs

... measuring meter with three header selectable full scale ranges of 50mV, 100mV and 200mV. A five position Span Adjust header facilitates scaling in engineering units. The meter is particularly suited for measuring DC current using 50mV standard current shunts. The ability to accurately measure shunts ...
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... A car is fitted with an automatic window defrosting device, consisting of several very thin metal filaments running through the front windscreen in parallel. These elements are activated remotely by the owner several minutes before returning to the car to ensure that the windows are defrosted. a Whe ...
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IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

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LTC1487 - Ultra-Low Power RS485 with Low
LTC1487 - Ultra-Low Power RS485 with Low

... the driver outputs are disabled. In shutdown mode, the quiescent current is typically less than 1µA. With the receiver active and the driver outputs disabled, the LTC1487 will typically draw 80µA quiescent current. With the driver outputs enabled but unterminated, quiescent current will rise slightl ...
Wind Power Integration in Isolated Grids enabled by
Wind Power Integration in Isolated Grids enabled by

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designing networks of spiking silicon neurons and synapses
designing networks of spiking silicon neurons and synapses

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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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