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Agilent E364xA Dual Output DC Power Supplies
Agilent E364xA Dual Output DC Power Supplies

DC Voltmeters and Ammeters
DC Voltmeters and Ammeters

... One solution to the problem of voltmeters and ammeters interfering with the circuits being measured is to use galvanometers with greater sensitivity. This allows construction of voltmeters with greater resistance and ammeters with smaller resistance than when less sensitive galvanometers are used. T ...
Comet 40-150kVA
Comet 40-150kVA

... device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a ...
Reduced voltage method for starting squirrel cage induction motor
Reduced voltage method for starting squirrel cage induction motor

Coaxial Transmitting Chokes
Coaxial Transmitting Chokes

+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs MAX148/MAX149 General Description
+2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs MAX148/MAX149 General Description

... CH0–CH7, and IN- is switched to COM. In differential mode, IN+ and IN- are selected from the following pairs: CH0/CH1, CH2/CH3, CH4/CH5, and CH6/CH7. Configure the channels with Tables 2 and 3. In differential mode, IN- and IN+ are internally switched to either of the analog inputs. This configurati ...
FET Switches in Docking Stations
FET Switches in Docking Stations

... connecting the system in the dock to an actively running high-impedance (reflective-wave switching) bus (for example, PCI bus) in the portable device. Connection of the electronic devices in the docking system, which are powered down or are in a standby state, can cause electrical signal glitches, d ...
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MAX98357A/MAX98357B PCM Input Class D Audio Power Amplifiers General Description Features
MAX98357A/MAX98357B PCM Input Class D Audio Power Amplifiers General Description Features

... accepts specified sample rates between 8kHz and 96kHz for all supported data formats. The ICs can be configured to produce a left channel, right channel, or (left/2 + right/2) output from the stereo input data. The ICs operate using 16/24/32-bit data for I2S and left-justified modes as well as 16-bi ...
MN270001EN
MN270001EN

... cause death or severe personal injury. Follow all locally approved safety procedures when working around highand low-voltage lines and equipment. G103.3 ...
Sensorless position control of permanent magnet motors with
Sensorless position control of permanent magnet motors with



... current-limiting circuit breaker which has both the static characteristics of mechanical switch and dynamic characteristics of solid-state switch, its disadvantage are complex control strategy and bulk mass [8-10]. For systems rated above 1000A, electronically controlled hybrid current-limiting fuse ...
MAX11164 16-Bit, 500ksps, 0 to 5V SAR ADC with General Description
MAX11164 16-Bit, 500ksps, 0 to 5V SAR ADC with General Description

... The MAX11164 16-bit, 500ksps, SAR ADC offers excellent AC and DC performance with unipolar input range, small size, and internal reference. The MAX11164 integrates an optional 6ppm/NC reference with internal buffer, saving the cost and space of an external reference. This ADC achieves 92.2dB SNR and ...
ups glups - Powerstar Inc
ups glups - Powerstar Inc

... button. If voltage is at fringes of transfer spectrum (i.e., for domestic UPSes, the defaults are at approximately 90V or 132V) the UPS is in its hysteresis band and is waiting for the input voltage to move away from these transfer points before coming back on-line. If the power quality is poor due ...
In Proc. of 28th International Conference on Distributed Computing Systems
In Proc. of 28th International Conference on Distributed Computing Systems

... they can not rely on their USB interface for energy provision or data exchange. In addition, the USB circuitry on the node (the voltage regulator that converts the 5 V USB supply voltage to 3 V, the serial-to-USB converter chip, etc.) consume a considerable amount of energy: it is in the same order ...
Purpose Protect the stave
Purpose Protect the stave

... Switching must not affect the rest of the SP chain? Transient effects on problem &/or power-up Bus-cable or hybrid Where should the switch be placed? (hybrid) Numerical failure analysis Quantitative estimate of failure rate? Switch failure modes, fail safe, mass, What extra complexity can we justify ...
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electromagnetic induction

... B-field with geometry similar to that of a permanent bar magnet, but the field magnitude is proportional to the current and the field direction reverses if the current direction is reversed. 1. From an inspection of the direction of the windings of the primary (blue, fewer turns, thicker) coil, dete ...
electrical low-voltage cal/osha
electrical low-voltage cal/osha

A1354 - Allegro MicroSystems
A1354 - Allegro MicroSystems

... between the A1354 Hall element and the magnetic target. The output duty cycle in the quiescent state (no significant magnetic field: B = 0 G), D(Q) , remains steady at the specific programmed duty cycle throughout the entire operating ranges of VCC and ambient temperature, TA. Power-On Time When the ...
Draw and interpret circuit diagrams containing diodes
Draw and interpret circuit diagrams containing diodes

Lecture 8 Slides - Digilent Learn site
Lecture 8 Slides - Digilent Learn site

CONTENTS: 1. Chassis 2. Transmission 3. Drive
CONTENTS: 1. Chassis 2. Transmission 3. Drive

... occur. This is due to something known as 'ripple current', whereby the voltage from the batteries fluctuates rapidly and drops as the current output increases beyond what it can provide due to high Internal Resistance ( IR ). Lithium batteries have much lower IR levels and so do not overheat or droo ...
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Z4905147150

... circuit of 10T adder has three inputs and two outputs (A, B, C, sum, Cout). The whole circuit works with single supply Vdd. The number of direct connections from Vdd and ground is reduced in this design to minimize the power consumption due to short circuit current. In this circuit body of 5 nmos is ...


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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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