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MAX2900–MAX2904 200mW Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands General Description
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... keyless entry systems popular on many new cars and trucks, and the ubiquitous garage door opener. Other applications are emerging with the growth in home security, automation and the advent of various remote control applications. Typically these devices have been simplex, or one-way, links. They are ...
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... 500 Gy), and in the case of the experiment with low load current, degradation of the emitter injection efficiency of the elementary round lateral pnp transistors was not so important. The small perimeter-to-area ratio of the older technological process was, in this case, advantageous, having a small ...
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An electrical machine with integrated drive LCL filter components
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... This formula has a maximum at VIN = 2VOUT, where IRMS = IOUT /2. This simple worst-case condition is commonly used for design because even significant deviations do not offer much relief. Note that the capacitor manufacturer's ripple current ratings are often based on 2000 hours of life. This makes ...
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... rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ...
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... stant (independent of the data) terms that are present in the addressing techniques of the RMS responding matrix LCDs. The RMS voltage across the pixels will correspond to gray-shade data if the pixels are selected with “ ” select voltages (corresponding to the “ ” bits) successively by applying the ...
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... The absolute maximum junction temperature (TJmax) for this device is 175°C. The maximum allowable power dissipation is dictated by TJmax, the junction-to-ambient thermal resistance (RθJA), and the ambient temperature (TA), and can be calculated using the formula PDMAX = (TJmax − TA)/RθJA. The values ...
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MP4030: Application Note for a TRIAC
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... the primary switch (MOSFET) turns on at a fixed frequency and turns off when the current reaches the desired level. When the MOSFET turns off, the energy stored in the inductor forces the secondary side diode to turn on, and the inductor current decreases linearly from the peak value to zero. When t ...
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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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