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ISSCC 2011 slides - Massachusetts Institute of Technology
ISSCC 2011 slides - Massachusetts Institute of Technology

... ** ILEAK is exponential with VDD due to DIBL ...
VIII .Typical Transmission Line Surge Arrester Installation
VIII .Typical Transmission Line Surge Arrester Installation

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... An attenuator is a device for introducing a specified loss between a signal source and a matched load without upsetting the impedance relationship necessary for matching. The loss introduced is constant irrespective of frequency; since reactive elements (L or C) vary with frequency, it follows that ...
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... troubleshoot devices from multiple suppliers. The MULTISTEP ballasts also incorporate high-performance features of Universal voltage, PROStart and QUICKSENSE. Universal voltage technology provides operation from 120V through 277V, 50 or 60Hz, eliminating “wrong voltage” wiring errors and reducing th ...
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... switches or thermal protective switches to provide protection. Fuses act as short circuit protection for the motor, not as protection against overload. Incoming line fuses help to withstand the motorʼs starting current. Motor starters with thermal magnetic overload or circuit breakers protect motor ...
G225-60-1
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Autonomous Sensor Node Powered by CM

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... makes it an excellent choice for automotive applications. The internal switching regulators include 5V synchronous MOSFETs that can be powered directly from a single Li+ cell or from the main 3.3V/5V power stages. Finally, the linear regulator is capable of sourcing and sinking 2A to support DDR ter ...
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CSCI 2980: Introduction to Circuits, CAD, and Instrumentation

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DS1220AB/AD 16k Nonvolatile SRAM

... The DS1220AB provides full functional capability for VCC greater than 4.75 volts and write protects by 4.5V. The DS1220AD provides full functional capability for VCC greater than 4.5 volts and write protects by 4.25V. Data is maintained in the absence of VCC without any additional support circuitry. ...
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MAX5920 -48V Hot-Swap Controller with External R SENSE

Aalborg Universitet Selective Harmonic Compensation
Aalborg Universitet Selective Harmonic Compensation

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Variable-frequency drive



A variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.VFDs are used in applications ranging from small appliances to the largest of mine mill drives and compressors. However, around 25% of the world's electrical energy is consumed by electric motors in industrial applications, which are especially conducive for energy savings using VFDs in centrifugal load service, and VFDs' global market penetration for all applications is still relatively small. That lack of penetration highlights significant energy efficiency improvement opportunities for retrofitted and new VFD installations.Over the last four decades, power electronics technology has reduced VFD cost and size and has improved performance through advances in semiconductor switching devices, drive topologies, simulation and control techniques, and control hardware and software.VFDs are available in a number of different low- and medium-voltage AC-AC and DC-AC topologies.
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