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The wirewound resistor - Component Distributors, Inc.
The wirewound resistor - Component Distributors, Inc.

... the high current generated when a metal oxide varistor (MOC) clamps in response to a voltage surge on the grid. Surges can have many causes, including lightning, inductive loads (motors), capacitor banks, switchgear, or even switching heating and ventilation systems in and out of circuit. For these ...
ONET4291PA 数据资料 dataSheet 下载
ONET4291PA 数据资料 dataSheet 下载

... resistors; two gain stages, which provide a typical gain of about 37 dB; and a CML output stage, which provides another 6-dB gain. The amplified data-output signal is available at the output terminals DOUT+ and DOUT–, which feature on-chip 2 × 50-Ω back-termination to VCC. A dc feedback stage compen ...
Distributed Intelligence Provides Self
Distributed Intelligence Provides Self

Digital I/O: Connecting the Outside World
Digital I/O: Connecting the Outside World

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MAX3272/MAX3272A +3.3V, 2.5Gbps Low-Power Limiting Amplifiers General Description

... accept a wide range of input voltages and provide a constant-level output voltage with controlled edge speeds. Additional features include power detectors with programmable loss-of-signal (LOS) indication, an optional squelch function that mutes the data output signal when the input voltage falls be ...
The Polyphase Induction Motor
The Polyphase Induction Motor

General Description Features
General Description Features

... 87% efficiency. The MAX9709 provides Class AB amplifier performance with the benefits of Class D efficiency, eliminating the need for a bulky heatsink and conserving power. The MAX9709 operates from a single +10V to +22V supply, driving the load in a BTL configuration. ...
VACUUM INTERRUPTER IMPULSE VOLTAGE TESTING
VACUUM INTERRUPTER IMPULSE VOLTAGE TESTING

... contacts of the interrupter are opened to form a gap and the interrupter is then subjected to a high voltage from a high impedance source for many minutes. A great many discharges involving small currents from the high impedance source happen with decreasing frequency during the conditioning time as ...
This article appeared in a journal published by Elsevier. The... copy is furnished to the author for internal non-commercial research
This article appeared in a journal published by Elsevier. The... copy is furnished to the author for internal non-commercial research

... respectively for power tracking and voltage regulation. If there are only three DC/DC converters without the optional DC/DC converter connected between the load and DC bus, the DC load voltage can be stabilized by choosing the voltage-oriented-control for the converter connected to the battery consi ...
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... The outputs require a DC return path capable of handling ~35mA per side. If DC coupling is employed, the DC resistance of the receiving circuits should be ~50 ohms (or less) to VCC to prevent excessive common mode voltage from saturating the prescaler outputs. If AC coupling is used, the perfect emb ...
Complete Paper
Complete Paper

... Abstract: This research is purposed to established a new method is simple and good to operate the three phase induction motor on single phase power by using capacitor. The research was conducted at laboratory of “AG ELECTRO SERVICES, KARAD. This project is sponsored by AG ELECRO SERVICES, KARAD”. Al ...
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Microsoft Word 2007 - UWE Research Repository

... levels, but unfortunately most individual MFCs are still not able to directly drive them [7]. This is because most off-the-shelf DC/DC converters consume more power than is produced by as many as 10 miniature MFCs [8]. In order to harvest the useful energy from a MFC, power management systems (PMS) ...
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... these transitions with fitting high voltage MOSFETs, drivers and controllers. Last but not least power supplies fuelling datacenters and RF telecommunication base stations are indispensable for modern life style with ubiquitous internet access and exchange of data at high speed. Industry has underta ...
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... contain switches for mono-bridging and parallel inputs, and solder patterns for input isolation transformers, gain reduction resistors, and firstorder high and low pass filters . The input panel shall have enough space behind it to contain a circuit board measuring up to 5.9" wide by 4.1 “ deep. The ...
DRV8881 - Texas Instruments
DRV8881 - Texas Instruments

... Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absol ...
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SC1894A-00 IC Datasheet

... distributed architectures and active antenna systems is driving the need for smaller and more efficient power amplifier implementations. Further, there continues to be a strong push toward reducing the total capital and operating costs of base stations. With the SC1894, the complex signal processing ...
LEAK CURRENT HiTESTER ST5540/ST5541
LEAK CURRENT HiTESTER ST5540/ST5541

... ● Patient leak current (between parts of device that come into contact with patient and ground) ● Patient leak current(external SIP/SOP voltage) ● Patient leak current(external voltage at specific F-type applied part) ● Patient leak current (current resulting from external voltage at parts of device ...
Probabilistic - Optimal Power Flow for Radial Distribution Systems
Probabilistic - Optimal Power Flow for Radial Distribution Systems

... (OPF), is an important tool in this new era for utilities, to minimize losses and operate efficiently. With large scale integration of wind generators to distribution systems, they must be appropriately represented using probabilistic models capturing their intermittent nature in these OPF algorithm ...
GR 2400  GR 2400 Relay Panel/Silver
GR 2400 GR 2400 Relay Panel/Silver

... panel configured with 22 breaker positions, and containing 10 4A, 8 10A, 2 13A and 2 15A breakers, all installed in a combined, surface mount NEMA 1 enclosure with knockouts. ...
Slide 1
Slide 1

... their stored charge all at once. The capacitors in your tube-type TV are so good at storing energy that touching the two terminals at the same time can be fatal, even though the TV may not have been used for months. ...
Digital Input/Output Interface Card "OPC-DIO"
Digital Input/Output Interface Card "OPC-DIO"

... (1) Frequency can be set with a setting method for all frequencies set with function code o20. In this case, terminal I13 is a hold input signal. Furthermore, frequency settings can be given polarity with o19. Refer to the respective inverter user's manuals for details. (2) These terminals can be us ...
COEN6511 LECTURE 3
COEN6511 LECTURE 3

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Buck converter



A buck converter is a voltage step down and current step up converter.The simplest way to reduce the voltage of a DC supply is to use a linear regulator (such as a 7805), but linear regulators waste energy as they operate by dissipating excess power as heat. Buck converters, on the other hand, can be remarkably efficient (95% or higher for integrated circuits), making them useful for tasks such as converting the main voltage in a computer (12V in a desktop, 12-24V in a laptop) down to the 0.8-1.8V needed by the processor.
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