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Implementation and Applications of Current
Implementation and Applications of Current

... any value using two resistors, an op amp, and a 100µA current source as a reference. The current source shown in Figure 12 can be programmed to any value above the 100µA reference current. It has compliance all the way to the negative power supply rail. The 100µA reference forces a voltage of 100µA ...
Drake L7 Linear Amplifier Operator`s Manual
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... variety of plug and socket configurations for 240 volt service, and because the L 7 can be operated from either 120Volts or240 Volts, a line plug is not furnished with the L 7. TheL 7is shippedfrom the factory with jumpers connected to operate on 240 VAC. It is highly recommended that the L 7 be ope ...
Circuits
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... In an electric circuit, fuses and circuit breakers act as safety devices. They prevent circuit overloads that can occur when too many appliances are turned on at the same time or when a short circuit occurs in one appliance. A short circuit occurs when a circuit with very low resistance is formed. T ...
Unit 4F Circuits and conductors Science Year 4
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everything you wanted to know about stepper motors
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... The second category of stepper drives are bipolar drives, here usually the performance offered far exceeds the unipolar drives for a number of reasons, we will look at some of them. As we learnt earlier, stepper motors are coils of wire wrapped around a core, their behavior is that of an inductor, ...
KST92/KST93 PNP Epitaxial Silicon Transistor KS T92/KST9
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... Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed applications, and increased cost of production and manufacturing delays. Fairchild is taking strong measures to protect ourselves and our customers from t ...
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Industrial and General-Purpose Gate Driver ICs
Industrial and General-Purpose Gate Driver ICs

power line induced current in the earth determined
power line induced current in the earth determined

Everything you wanted to know about stepper motors
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... The second category of stepper drives are bipolar drives, here usually the performance offered far exceeds the unipolar drives for a number of reasons, we will look at some of them. As we learnt earlier, stepper motors are coils of wire wrapped around a core, their behavior is that of an inductor, ...
ELECTRICITY AND BASIC ELECTRICAL COMPONENTS
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... Students should download above file and unzip in on his/her computer. The Zip file contains LabVIEW VIs and other files which will be used in some of the experiments during the course.  Resistors.pdf - Description of how resistors are manufactured and ...
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Open-Winding Power Conversion Systems Fed by Half

... disadvantages of such a configuration include a higher total device VA rating and increased conduction loss as compared to a single Y/Δ-connected VSC. In certain ac–dc applications, such as telecommunications, wind, and aerospace generator drives, it is desired to have regulated input currents and o ...
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... Status LEDs Five Status LEDs light when associated output is active (on). System Communications and Capacity IEC PELV/NEC® Class 2 wiring connects GRX-IO Interface to control units and other components. Counts toward system maximum of 16 wallstations/control interfaces (3 powered from one GRAFIK Eye ...
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Simple DC Circuits - University of Virginia

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... which includes input under-voltage protection and output short circuit protection. Low EMI, high efficiency, high power factor, and a reliable power supply are the main focuses of this design for targeted applications. ...
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AMEM_314_Labs_Strain Gauges
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... Strain gauges are devices designed and constructed so that their resistance changes when they are strained: that is their physical dimensions increase or decrease. This is usually arranged to happen when the body to which they are bonded (stuck) changes and so the strain gauges resistance may be use ...
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...  The first step in generating an SSB signal is to suppress the carrier, leaving the upper and lower sidebands.  This type of signal is called a double-sideband suppressed carrier (DSSC) signal. No power is wasted on the carrier.  A balanced modulator is a circuit used to produce the sum and diffe ...
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How pulsars work - SLAC
How pulsars work - SLAC

... Goldreich-Julian corotating magnetosphere is a dynamical consequence of the induced electric fields and plasma reaction in the dipole geometry Charge adjustment in the closed zone is carried out via diocotron instability. Transport across magnetic field lines is possible even if the plasma is strong ...
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... sampling delay, the results of for comparison of both will not be affected, but the grid voltage sampling delay will cause judgment error of grid working state by this algorithm. Therefore, the difference value between the prediction value of grid voltage amplitude and its rated value can serve as t ...
Gr. 11 Physics Electricity
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... According to your examples, what conditions are necessary for the bulb to light? How are those conditions not satisfied in the arrangements that don’t light up? ...
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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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