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STM1810
STM1810

... feature a debounced manual reset feature that asserts a reset if the RST pin is pulled low for more than 1.5 µs. When used to initiate manual reset, RST debounces signals from devices such as mechanical switches. For devices with this feature, the release of the external switch triggers the reset pe ...
Alternating Current Circuits and Electromagnetic Waves
Alternating Current Circuits and Electromagnetic Waves

... Light does refract upon entering the atmosphere, but only slightly, about half a degree. Although refraction will cause separation of colors because of frequency dependence of the index of refraction, refraction is not the cause of the red light at sunset. At midday, more blue light scatters away th ...
AD5933 英文数据手册DataSheet 下载
AD5933 英文数据手册DataSheet 下载

... solution that combines an on-board frequency generator with a 12-bit, 1 MSPS, analog-to-digital converter (ADC). The frequency generator allows an external complex impedance to be excited with a known frequency. The response signal from the impedance is sampled by the on-board ADC and a discrete Fou ...
THS4551 Low-Noise, Precision, 150
THS4551 Low-Noise, Precision, 150

... source signal to a single-supply differential input ADC. Very low dc error and drift terms support the emerging 16- to 20-bit successive-approximation register (SAR) input requirements. A wide-range output common-mode control supports the ADC running from 1.8-V to 5-V supplies with ADC common-mode i ...
Altivar 28 User`s Guide
Altivar 28 User`s Guide

MAX3058/MAX3059 5V, 1Mbps, Low Supply Current CAN
MAX3058/MAX3059 5V, 1Mbps, Low Supply Current CAN

MELSEC FX Family FX , FX ,
MELSEC FX Family FX , FX ,

AD9777 数据手册DataSheet 下载
AD9777 数据手册DataSheet 下载

... Another digital modulation mode (that is, the direct IF mode) allows the original baseband signal representation to be frequency translated such that pairs of images fall at multiples of one-half the DAC update rate. The AD977x family includes a flexible clock interface accepting differential or sin ...
Nodal and Loop Analysis Techniques
Nodal and Loop Analysis Techniques

... describe the two previous networks. Equations (3.2) and (3.3) exhibit the same type of symmetrical form. The G matrix for each network is a symmetrical matrix. This symmetry is not accidental. The node equations for networks containing only resistors and independent current sources can always be wri ...
Single-Phase Multifunction Metering IC with di/dt Sensor Interface ADE7753
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... pulse output frequency (CF), which is proportional to the active power. Various system calibration features, i.e., channel offset correction, phase calibration, and power calibration, ensure high accuracy. The part also detects short duration low or high voltage variations. The positive-only accumul ...
MAX14611 Quad Bidirectional Low-Voltage Logic
MAX14611 Quad Bidirectional Low-Voltage Logic

... side of the device appears as a high-voltage logic signal on the VCC side of the device, and vice-versa. The device is ideal for I2C bus as well as MDIO bus applications where open-drain operation is often required. The device features a three-state output mode (TS). Drive TS high to connect the pul ...
Thyristor Theory and Design Considerations
Thyristor Theory and Design Considerations

... Thyristors can take many forms, but they have certain things in common. All of them are solid state switches which act as open circuits capable of withstanding the rated voltage until triggered. When they are triggered, thyristors become low−impedance current paths and remain in that condition until ...
Journal of Power Sources Charge regimes for valve
Journal of Power Sources Charge regimes for valve

... Charge regimes recharge the batteries to a high SOC, but they also reduce the SOH of the battery. Charge regimes are purposely designed to charge the VRLA battery with a tradeoff between charge efficiency, difficulty of implementation and the effect on SOH and battery lifetime. 2.1. Essential modes of ...
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... Low Frequencies: The low-frequency performance is determined by the design of the integrator. With a suitable integrator the rigid coils can be used to measure at frequencies below 0.2Hz (-3dB). High Frequencies: The upper frequency limit depends on the resonance properties of the coil. and the leng ...
Navy Electricity and Electronics Training Series
Navy Electricity and Electronics Training Series

TC240, TC440, and TC640 Tension Controllers 20120
TC240, TC440, and TC640 Tension Controllers 20120

... With One or Two Tension Sensors 1. Set the Power Switch to ON. 2. Make sure the Sensor Roll is mounted to the Tension Sensor or Sensors as described in the Tension Sensor Installation Manual. 3. Make sure the web has been removed and no other objects are sitting or resting on the Sensor Roll. 4. Set ...
Smart Alarm Clock
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... able to use your own favorite lamp or light source will reduce customer cost, and increase range of use. Similarly, remotely operated mechanical push-button switches to turn on and off various home equipment such as stereo, coffee makers, and light switches were considered. It seems incorporating mo ...
Metal (Oxide) Film Resistors - Panasonic Industrial Devices
Metal (Oxide) Film Resistors - Panasonic Industrial Devices

... The following are precautions for individual products. Please also refer to the common precautions for Fixed Resistors in this catalog. 1. Transient voltage If there is a possibility that the transient phenomenon (significantly high voltage applied in a short time) may occur or that a high voltage p ...
4g magnet power supply
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RF Microelectronic
RF Microelectronic

... With MOS, better values of iip3 is considerable MOS does not have shot noise so we do not have an optimum value for noise In order to have controlled NF, discrete circuit has to be implemented because inside the IC, β and Rb are not ...
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Tunable Microwave Phase Locked Oscillator Ismael Omar Phase Locked Loop Implementation

... ramp, is relatively rare. There two reasons for this. First, the applications that require that ...
DRM057, Open Loop Universal Motor Chopper Based on the
DRM057, Open Loop Universal Motor Chopper Based on the

New 500 - PowerTEC Industrial Motors
New 500 - PowerTEC Industrial Motors

... into the everyday industrial environment. It is made in standard NEMA frame sizes with standard dimensions. This allowed the brushless DC motor to be used in applications where, previously, it had been too expensive to use when it was compared to its more common AC induction and brush-type DC motor ...
NTB0101 1. General description Dual supply translating transceiver; auto direction sensing;
NTB0101 1. General description Dual supply translating transceiver; auto direction sensing;

... The NTB0101 is a 1-bit, dual supply translating transceiver with auto direction sensing, that enables bidirectional voltage level translation. It features two 1-bit input-output ports (A and B), one output enable input (OE) and two supply pins (VCC(A) and VCC(B)). VCC(A) can be supplied at any volta ...
2.5 V/3.3 V, 10-Bit, 2-Port Level Translating, Bus Switch ADG3246
2.5 V/3.3 V, 10-Bit, 2-Port Level Translating, Bus Switch ADG3246

... ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADG3246 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to ...
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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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