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LATCHES AND FILP FLOPS
LATCHES AND FILP FLOPS

... As VIN changes IZ will change, the limitations on the input voltage variation ( VIN(min) and VIN(max) ) are set by the minimum and maximum current levels ( IZK and IZM ) with which the zener diode can operate. The minimum current value IZK = 0.25 mA (from the 1N4740A zener diode datasheet). The max ...
A Review on the Operation of Grid Integrated Doubly Fed Induction
A Review on the Operation of Grid Integrated Doubly Fed Induction

v. amplifier design
v. amplifier design

AD421 - Analog Devices
AD421 - Analog Devices

... 1. The AD421 is a single chip, high performance, low cost solution for generating 4 mA to 20 mA signals for smart industrial control transmitters. 2. The AD421’s regulated supply voltage can be used to power any additional circuits in the transmitter. The regulated output value is pin selectable as ...
gei50261 - GE Grid Solutions
gei50261 - GE Grid Solutions

Catalog
Catalog

... these controls will support cellular and radio communications utilizing the DNP3 and other serial and network protocols. Side panel RS-232, fiber-optic, Ethernet, and RS-485 ports are available for connection to SCADA or other devices. These ports are accessed by swinging the control panel forward. ...
Distribution Systems, Substations, and Integration of Distributed
Distribution Systems, Substations, and Integration of Distributed

... Distribution systems serve as the link from the distribution substation to the customer. This system provides the safe and reliable transfer of electric energy to various customers throughout the service territory. Typical distribution systems begin as the medium-voltage three-phase circuit, typical ...
Design Procedure for Two-Stage CMOS Transconductance
Design Procedure for Two-Stage CMOS Transconductance

... zero higher than the pole by an octave. The doublet can be neglected in the traditional design described in Section II, but must be considered in the optimized approaches due to the high value of the gain-bandwidth product. Since the pole and zero are close one to each other, the doublet does not ap ...
MAX985/MAX986/MAX989/ MAX990/MAX993/MAX994 Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators
MAX985/MAX986/MAX989/ MAX990/MAX993/MAX994 Micropower, Low-Voltage, UCSP/SC70, Rail-to-Rail I/O Comparators

... outputs. Their operating voltages range from 2.5V to 5.5V, making them ideal for both 3V and 5V systems. These comparators also operate with ±1.25V to ±2.75V dual supplies. They consume only 11µA of supply current while achieving a 300ns propagation delay. Input bias current is typically 1.0pA, and ...
49`er Availability
49`er Availability

... There have been several inquiries as to the availability of the 49er kits. NorCal was given the rights to produce the 49er by Wayne Burkick, N6KR. He designed it as a simple project for the 1996 Dayton Building contest, never dreaming that it would become so popular. Wayne did not spend a lot of tim ...
Equal-Area Criterion Applied on Power Transfer Corridors
Equal-Area Criterion Applied on Power Transfer Corridors

LTC3552
LTC3552

... Note 7: The regulator power switch on-resistances are guaranteed by correlation to wafer level measurements. Note 8: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formula: TJ = TA + (PD • θJA) ...
Selection and Modeling of PMBLDC Motor for Torque Ripple
Selection and Modeling of PMBLDC Motor for Torque Ripple

Corporate Presentation - Central Semiconductor
Corporate Presentation - Central Semiconductor

... Outstanding commitment to quality  Central is dedicated to manufacturing products of outstanding quality with superior performance and reliability. ...
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+ Battery Chargers General Description Features
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+ Battery Chargers General Description Features

... The MAX1551/MAX1555 charge a single-cell Li+ battery from both USB and AC adapter sources, enabling portable users to forgo carrying a wall cube. These devices operate with no external FETs or diodes, and accept operating input voltages up to 7V. An internal thermal control loop simplifies PC board ...
KA79MXX / LM79MXX 3-Terminal 0.5 A Negative Voltage Regulator KA79MXX /
KA79MXX / LM79MXX 3-Terminal 0.5 A Negative Voltage Regulator KA79MXX /

... 1. Life support devices or systems are devices or systems which, (a) are 2. A critical component in any component of a life support, device, or intended for surgical implant into the body or (b) support or sustain system whose failure to perform can be reasonably expected to life, and (c) whose fail ...
Single LNB Supply and Control Voltage Regulator A8293
Single LNB Supply and Control Voltage Regulator A8293

... integrated inside of the device. A high switching frequency is chosen to minimize the size of the passive filtering components, further assisting in cost reduction. The high levels of component integration ensure extremely low noise and ripple figures. The A8293 has been designed for high efficiency ...
Resistance vs Temperature
Resistance vs Temperature

NLAS54404
NLAS54404

... OFF−Isolation analog switch. It was designed to operate from a 3.3 V single supply. The switches can accommodate ±2.828 VPEAK (2 VRMS) ground−referenced analog signals. The switch rON flatness across this range is extremely small resulting in excellent THD+N performance (0.00013% with 20 kW load and ...
HTPS-400 OM - JBL Synthesis
HTPS-400 OM - JBL Synthesis

... 22. When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or that have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards. 23. Upon completion of any serv ...
Electronic Systems
Electronic Systems

... Square wave is the most common form of pulse waves, because its shape can show clearly the difference between high and low voltage, which allows the representation of the two digital values 1 and 0 (Fig. 8a). Therefore, square waves are commonly used as the input and output signals of digital system ...
Wide tunable CMOS active inductor
Wide tunable CMOS active inductor

... frequency range of the inductive impedance. The positive feedback generates negative resistance, which reduces the inductor loss and, in turn, increases the Q factor. Bandpass filter/amplifier: In a novel design approach, two active inductors are connected back-to-back through a coupling capacitor Cc ...
Product Specifications: CLS-EXP-DIM
Product Specifications: CLS-EXP-DIM

... 1.  For a list of compatible ballasts, visit www.crestron.com/lightingcompatibility (PDF) 2.  CLW-Series device must have a dedicated neutral. 3.  Compatible only with forward-phase dimming modules. 4.  Must be oriented upright, mounted to a vertical surface, with 6 inches (153 mm) minimum spacing a ...
MAX1980 Quick-PWM Slave Controller with Driver Disable for Multiphase DC-DC Converter General Description
MAX1980 Quick-PWM Slave Controller with Driver Disable for Multiphase DC-DC Converter General Description

... The MAX1980 provides the same high-efficiency, ultralow duty factor capability, and excellent transient response as other Quick-PWM controllers. The MAX1980 differentially senses the inductor currents of both the master and the slave across current-sense resistors. These differential inputs and the ...
BQ24300 数据资料 dataSheet 下载
BQ24300 数据资料 dataSheet 下载

... CE = Low, VIN > 4.4V, time measured from VVBAT 4.2V → 4.5V, 1μs rise time to output turning OFF ...
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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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