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Design of high-speed, low-power frequency dividers and phase
Design of high-speed, low-power frequency dividers and phase

Introduction to Meters and Voltage Measurement
Introduction to Meters and Voltage Measurement

MAX5171/MAX5173 Low-Power, Serial, 14-Bit DACs with Force/Sense Voltage Output General Description
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... The MAX5171/MAX5173 low-power, serial, voltage-output, 14-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5171 operates from a +5V single supply, and the MAX5173 operates from a +3V single supply. The output amplifier’s inver ...
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AD8605 数据手册DataSheet 下载

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thyristors and triacs control gate trigger circuits
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... that the simple electronic circuit shown in Fig.3.3(a) makes an AC/DC conversion, so it is an electric-electric static converter, a half wave rectifier. For this reason the variables from the DC side: voltage, current, power, etc. are written with the "d" index. ¾ The output average DC voltage Vdα c ...
MAX17024 Single Quick-PWM Step-Down Controller with Dynamic REFIN General Description
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... stepping down high-voltage batteries to generate lowvoltage core or chipset/RAM bias supplies in notebook computers. The output voltage can be controlled using the dynamic REFIN, which supports input voltages between 0 to 2V. The REFIN adjustability combined with a resistive voltage-divider on the f ...
ECE1250F15_Lab4_ThevEquiv
ECE1250F15_Lab4_ThevEquiv

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ADP5040 英文数据手册DataSheet 下载
ADP5040 英文数据手册DataSheet 下载

... below a predefined threshold the regulator operates in power save mode (PSM) improving the light-load efficiency. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5040 LDOs extend the battery life of portable devices. The ADP5040 LDOs maintain a power supply rej ...
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See datasheet - Texas Instruments
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... To achieve this extended dynamic range, it is necessary to use a multiplier in analog mode for peaks in the upper 3-4 orders (i.e. for equivalent ion count rates from ~106 cps to >109 cps), and use the multiplier in pulse-counting mode for ion count rates from 100 to 106 cps. One approach to this pr ...
ELV Dummy Load for Power Supply Testing
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... The sensing section consists of a series circuit comprising an LDR and a variable resistance . The variable resistance is so adjusted that the intensity of light is dark the output voltage is almost zero . With full illumination the resistance of the LDR is comparatively very low and the output volt ...
iii. generator-side power smoothing control
iii. generator-side power smoothing control

... mean value determined for the North Sea. Larger value can be chosen to reflect the sharp peak characteristic of swell waves. The swell spectrum for engineering applications can be approximated by (2) with the peak enhancement factor being chosen between γ = 3~10 , depending on the distance that the ...
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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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