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Ohm`s Law
Ohm`s Law

... Energy is required to drive an electric current through a resistance. This energy is supplied by the source of the current, such as a battery or an electric generator. The rate at which energy is supplied to a device is called power, that is power is energy supplied per unit time. Power is often mea ...
MAX3188/MAX3189 1Mbps, 1µA RS-232 Transmitters in SOT23-6 General Description Features
MAX3188/MAX3189 1Mbps, 1µA RS-232 Transmitters in SOT23-6 General Description Features

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AD8346 数据手册DataSheet 下载
AD8346 数据手册DataSheet 下载

... Power Supply Pin for the bias cell and LO buffers. This pin should be decoupled using local 100 pF and 0.01 μF capacitors. Enable Pin. A high level enables the device; a low level puts the device in sleep mode. Ground Pin for the input stage of output amplifier. Ground Pin for the output stage of ou ...
BDTIC ™ Q1 C o o l S E T ICE2QR2280G-1
BDTIC ™ Q1 C o o l S E T ICE2QR2280G-1

... where IVCCcharge2 is the charging current from the startup cell which is 1.05mA, typically. When the VCC voltage exceeds the VCC turned-on threshold VVCCon at time t1, the startup cell is switched off and the IC begins to operate with soft-start. Due to power consumption of the IC and the fact that ...
AN3257
AN3257

... Pin 17 Vcc: this pin is externally connected to the dynamic startup circuit (by means of R23, R24, Q4, D6, D15, and R28) and to the self supply circuit composed by the net (R32, D8, C20, R42, D16, Q6, D7, C22, R46, R43, and Q5). ...
Lab #2 Voltage and Current Division
Lab #2 Voltage and Current Division

... This is a design problem. Your task is to design a circuit that will deliver 1.5V  5% across a load resistor of 10k. Figure 2.10 demonstrates the problem. The resistors available for use are listed in Figure 2.10. As with most engineering design problems, there are constraints. In this case, your ...
Non-Contact High Voltage Detector
Non-Contact High Voltage Detector

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3C Accurate, Factory Preset Thermostat
3C Accurate, Factory Preset Thermostat

... which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not ...
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Instrumentation Amplifier Using PSoC® 3

Wide Supply Range, Rail-to-Rail Output INA with a Minimum Gain of
Wide Supply Range, Rail-to-Rail Output INA with a Minimum Gain of

MAX14525 Battery Switch with Four Enable Inputs General Description Features
MAX14525 Battery Switch with Four Enable Inputs General Description Features

... from the loads in portable devices such as cell phones. The MAX14525 operates from a +2.2V to +5.5V supply voltage. The MAX14525 features an extremely low 0.8µA (typ) quiescent supply current to maximize battery life in portable devices. It is enabled from four possible inputs: external charger conn ...
XR-2206 - TU Berlin
XR-2206 - TU Berlin

... as shown in Figure 5. Temperature stability is optimum for 4k < R < 200k. Recommended values of C are from 1000pF to 100F. ...
OEM PowerPoint Template
OEM PowerPoint Template

... PA operated in saturated mode. Gate tracking circuit designed to exhibit constant gain over input envelope. Simulated efficiency of 50%. Resulting phase variation of <10° over envelope and EVM of 1%. ...
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... Third generation photovoltaics are very different from the previous semiconductor devices as they do not rely on a traditional p-n junction to separate photogenerated charge carriers. These new devices include photoelectrochemical cells, polymer solar cells, and nanocrystal solar cells. Dye-sensitiz ...
IOSR Journal of Electrical And Electronics Engineering (IOSRJEEE)
IOSR Journal of Electrical And Electronics Engineering (IOSRJEEE)

... mathematically by a set of non-linear algebraic equations for a given network. These is the most frequently carried out study by power utilities and are required to be performed for power system planning, operation, optimization and control. The main objective of loaf flow studies is to determine th ...
FACT SHEET EVC 135 – Electric Vehicle Contactor
FACT SHEET EVC 135 – Electric Vehicle Contactor

... 135A continuous current carrying capabilities in a compact package. Evolved from fighter jet technology, electric vehicle contactors reliably provide current switching capability in harsh and explosive operating environments with no oxidation or contamination of contacts during long periods of non-o ...
Phasor I
Phasor I

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800 kVA - 1153 Amps per phase

... and tooth designs, ensures very low waveform distortion. ...
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PPT-YB

Fulltext - Brunel University Research Archive
Fulltext - Brunel University Research Archive

... generation number exceeds 200. The Evolutionary Strategy with linear representation and oscillating length genotype was utilized. 1%-selection scheme was applied that is S=1% of the best chromosomes were chosen for the next generation. Being chosen for the next generation each chromosome contributed ...
Lesson B4–3
Lesson B4–3

... 10. Why do mathematical results, when calculating current using Ohm’s Law, vary slightly from measured current on a meter? Resistors are designed to be within a tolerance range varying from plus or minus 5% to plus or minus 20%. The resistors with a gold color on the fourth band indicates a plus or ...
RA30H0608M - Mitsubishi Electric
RA30H0608M - Mitsubishi Electric

... 2.RA series products (RF power amplifier modules) are designed for consumer mobile communication terminals and were not specifically designed for use in other applications. In particular, while these products are highly reliable for their designed purpose, they are not manufactured under a quality a ...
AZV321 Description Pin Assignments
AZV321 Description Pin Assignments

... 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in ...
ADP5037 英文数据手册DataSheet 下载
ADP5037 英文数据手册DataSheet 下载

... predefined threshold, the regulator operates in power save mode (PSM), improving the light-load efficiency. The two bucks operate out of phase to reduce the input capacitor requirement. The low quiescent current, low dropout voltage, and wide input voltage range of the ADP5037 LDOs extend the batter ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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