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LT1812 - 3mA, 100MHz, 750V/µs Operational Amplifier with Shutdown
LT1812 - 3mA, 100MHz, 750V/µs Operational Amplifier with Shutdown

... The LT1812 features reduced supply current, lower input offset voltage, lower input bias current and higher DC gain than other devices with comparable bandwidth. A power saving shutdown feature reduces supply current to 50μA. The circuit topology is a voltage feedback amplifier with the slewing chara ...
Ventilated Distribution Transformers - Sola/Hevi-Duty
Ventilated Distribution Transformers - Sola/Hevi-Duty

... Ventilated Distribution Transformers K-Factor Transformers K-Factor transformers are designed to reduce the heating effects of harmonic currents created by loads like those shown in Chart A. The K-Factor rating is an index of the transformer’s ability to withstand harmonic content while operating wi ...
Design of RC Snubbers for Phase Control
Design of RC Snubbers for Phase Control

... Rs2·Cs/Lc = 1.1 Ω2·µF/µH, and thus Rs = 39 Ω. When simulation methods with one of the models are used, the problem of selecting Qrr - Irr pairs arises. It is generally not advisable to combine the maximum Qrr with the minimum Irr of the data sheet range because these combinations are unrealistic. A ...
MAX15041 Evaluation Kit Evaluates: General Description Features
MAX15041 Evaluation Kit Evaluates: General Description Features

... The MAX15041 EV kit circuit uses a MAX15041 stepdown converter IC to implement a step-down DC-DC converter circuit. The MAX15041 IC is available in a 16-pin TQFN surface-mount package and features a fixed 350kHz switching frequency and internal low RDS-ON MOSFETs to achieve high efficiency and lower ...
11th lecture
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... the change in the magnetic field. A steady magnetic field even a very intense one cannot induce electric current in the loop. How can we interpret the result of the above experiment? At a first glace the phenomenon looks familiar: electric current flowing in a closed loop like in the case of thermoc ...
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... the current drive (up to 20 mA), the capacitor values of C28 can be increased. If drive higher than 20 mA is required, especially to drive RF technology, additional drive can be used either with an NPN output buffer or a transformer and switching-based power supply. ...
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... (d) A long time after the circuit is completed (after many time constants) what is the voltage drop across the capacitor? After a long time, capacitor acts like a very large resistor (or break). So voltage across the capacitor becomes Vc = 130 V (e) A long time after the circuit is completed (after ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
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Learn the Importance of Isolation In Four Easy Lessons
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... can tolerate that, but through the use of the proper instrumentation techniques described in this paper, you don’t have to. A final fault caused by lower common mode voltages connected to non-isolated instruments is to subtly break the front end of the instrument. No smoke. No fireworks. One moment ...
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Hot Swap Device MP5022A

... limit level, a fast turn-off circuit activates to turn off the power FET using a 100mA pull-down gate discharge current, as shown in Figure 2. This limits the peak current through the switch to limit the input voltage drop. The total short circuit response time is about 200ns. When the chip triggers ...
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Alpha 8100 HF Linear Amplifier
Alpha 8100 HF Linear Amplifier

... to standby (“soft faults”) or shuts down completely (“hard faults”). Front panel LEDs indicate the type of fault so the operator can find and correct the problem. For soft faults, within a few seconds the amplifier will reset itself and return to normal operation. A serial port on the rear panel pro ...
EN 1215661
EN 1215661

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Power electronics



Power electronics is the application of solid-state electronics to the control and conversion of electric power. It also refers to a subject of research in electronic and electrical engineering which deals with the design, control, computation and integration of nonlinear, time-varying energy-processing electronic systems with fast dynamics.The first high power electronic devices were mercury-arc valves. In modern systems the conversion is performed with semiconductor switching devices such as diodes, thyristors and transistors, pioneered by R. D. Middlebrook and others beginning in the 1950s. In contrast to electronic systems concerned with transmission and processing of signals and data, in power electronics substantial amounts of electrical energy are processed. An AC/DC converter (rectifier) is the most typical power electronics device found in many consumer electronic devices, e.g. television sets, personal computers, battery chargers, etc. The power range is typically from tens of watts to several hundred watts. In industry a common application is the variable speed drive (VSD) that is used to control an induction motor. The power range of VSDs start from a few hundred watts and end at tens of megawatts.The power conversion systems can be classified according to the type of the input and output power AC to DC (rectifier) DC to AC (inverter) DC to DC (DC-to-DC converter) AC to AC (AC-to-AC converter)
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