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ADP1043A 数据手册DataSheet 下载
ADP1043A 数据手册DataSheet 下载

... The ADP1043A is a secondary side power supply controller IC designed to provide all the functions that are typically needed in an ac-to-dc or isolated dc-to-dc control application. The ADP1043A is optimized for minimal component count, maximum flexibility, and minimum design time. Features include r ...
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UNIT PULSE GENERATOR

Basic Electronics Competency Requirements
Basic Electronics Competency Requirements

Designing an electronic readout for a directional Lim, Choon Wee.
Designing an electronic readout for a directional Lim, Choon Wee.

... unconventional operational theater. Today, there are such systems to localize snipers, but they are bulky, heavy and do not employ networking, which can greatly improve the performance in terms of accuracy and reliability. Hence, there is a need to design a system that is small, compact, distributed ...
FR-E500-KN INSTRUCTION MANUAL
FR-E500-KN INSTRUCTION MANUAL

... ! Do not fit capacitive equipment such as a power factor correction capacitor, radio noise filter or surge suppressor to the output of the inverter. ! The connection orientation of the output cables U, V, W to the motor will affect the direction of rotation of the motor. ...
Measurements of Noise Equivalent Power for silicon detector
Measurements of Noise Equivalent Power for silicon detector

... noise measurements. It takes sophisticated circuitry to square the point-by-point voltage along one cycle of the waveform and then extract the square root of the average value of the squared quantity. Meters of this type include the so-called electrodynamometer. This class of meter was, at one time, ...
Block C: Amplifiers - City University of Hong Kong
Block C: Amplifiers - City University of Hong Kong

...  Op-amp circuits with reactive components > Active filters (Low pass, High pass, Band pass) > Differentiator & Integrator  Physical limits of practical op-amps ...
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)
IOSR Journal of VLSI and Signal Processing (IOSR-JVSP)

Upgrading Coaxial Distribution Networks with Amplified Taps
Upgrading Coaxial Distribution Networks with Amplified Taps

MAX8895V/MAX8895W/ MAX8895X/MAX8895Y Li-Ion Chargers with Smart Power Selector,
MAX8895V/MAX8895W/ MAX8895X/MAX8895Y Li-Ion Chargers with Smart Power Selector,

... termination. Charging is controlled using constant current, constant voltage, and constant die-temperature (CCCVCTj) regulation for safe operation under all conditions. The maximum charging current is adaptively controlled by subtracting the system current from the input current limit, ensuring that ...
MAX917–MAX920 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference General Description
MAX917–MAX920 SOT23, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference General Description

... current of only 750nA, while the MAX919/MAX920 (without reference) require just 380nA of supply current. These features make the MAX917–MAX920 family of comparators ideal for all 2-cell battery applications, including monitoring/management. The unique design of the output stage limits supply-current ...
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introduction-to-the-arduino

... A handful of new commands. Programs are called 'sketches'. Sketches need two functions: void setup( )  void loop( ) ...
Lab - Rose
Lab - Rose

... to drive in such a way that you minimize the chances of having something go wrong. The same is true when working with electricity: act in ways that minimize the chances of getting hurt. What’s the problem with electricity? Some people say, “It’s the current that kills.” Others say, “The voltage is t ...
Thevenin Equivalence
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SPAC 310 C and SPAC 312 C Feeder Terminal
SPAC 310 C and SPAC 312 C Feeder Terminal

... mother PC board are connected to the energizing input module. The mother PC board contains the card connectors for the plug-in modules, the detachable multi-pole connector strips of the inputs and outputs, the tuning resistors of the secondary burden of the matching transformers and the electronics ...
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CMOS Optical Preamplifier Design Using Graphical Circuit Analysis
CMOS Optical Preamplifier Design Using Graphical Circuit Analysis

... represented by Asynchronous Transfer Mode Passive Optical Networks (ATMPON) [Van de Voorde,1997] and Gigabit Ethernet standards [Gigabit,1998]. Applications that involve optical communications within digital systems or in large computers — generally referred to as optical interconnect [Li,2000], [Br ...
5050-0344 Rev H PRC2000_SM
5050-0344 Rev H PRC2000_SM

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14 Power Factor Correction

... The smaller the kVAR rating of each inductor or capacitor switched in stages, the better will be the control of the PF. This will be offset against the increase in space required for more capacitors and the cost for additional contactors. The only variation to this is for fixed duty loads (e.g. part ...
Springerville-Luna 345 kV line-99 MW Wind (SIS)
Springerville-Luna 345 kV line-99 MW Wind (SIS)

... The short circuit analysis was performed without the XXXXX project modeled and with all other third-party generation projects ahead of the XXXXX project in the study queue in service. This identified the “base case” fault duties of the circuit breakers. The short circuit analysis was performed again ...
32 kHz Oscillator Start-up Time and POR Pulse Width Considerations
32 kHz Oscillator Start-up Time and POR Pulse Width Considerations

... The four 10 kΩ resistors are included to prevent the associated outputs from floating when OE1 is negated by Q14. To save board space and reduce voltage drop to AVDD1, the 74AC04 inverter in Figure 12 could be replaced with a single-gate device, such as a Fairchild1 NC7SZ04 in Figure 14. Per the ‘7S ...
CA-340 Car alarm
CA-340 Car alarm

... accidental shocks (e.g. caused by a heavy vehicle passing by …). The alarm is triggered only when the first shock is followed by another within 15 seconds. If both the siren and the alarm are set, the first shock triggers a short siren chirp and the second shock (within 15 s) triggers the alarm.  A ...
ELECTROMAGNETIC INTERFERENCE (EMI) RESISTING ANALOG
ELECTROMAGNETIC INTERFERENCE (EMI) RESISTING ANALOG

... compared to each other in terms of EMI-Induced input offset voltage and other important specifications such as current consumption. In this work, EMI-robust analog circuits are proposed, of which the architecture is based on source-buffered differential pair in the previous publications. The EMI per ...
LTC5586 - 6GHz High Linearity I/Q
LTC5586 - 6GHz High Linearity I/Q

... to optimize OIP2 to 80dBm, and achieve image rejection better than 60dB. The DC offset control function allows nulling of the DC offset at the A/D converter input, thereby optimizing the dynamic range of true zero-IF receivers that use DC coupled IF signal paths. The wide-band RF and LO input ports ...
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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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