Magnetic Modulator

Magnetic Modulator: The most reliable substitutes for electromechanical choppers are magnetic modulators. These devices reach a null stability as low as 10 μV, but their response time is often less…

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What is Electromechanical Chopper?

What is Electromechanical Chopper?: Electromechanical Chopper - An ac amplifier must see ac in order to perform useful work. A fair number of chopping and modulation techniques are available to…

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Chopper Type DC Amplifier

Chopper Type DC Amplifier: A simple ac amplifier Transformer may be used to amplify a dc input through the use of additional circuit component known as chopper. In this circuit,…

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Integrator using Op Amp

Integrator using Op Amp: An Integrator is a circuit that performs the mathematical operation of integra­tion because it produces an output voltage that is proportional to the integral of the…

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Measurements of Thickness using Beta Gauge

Measurements of Thickness using Beta Gauge: Beta Gauge - A common and characteristic feature of a radioactive element is that they disintegrate spontaneously to produce fresh radioactive elements called daughter…

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Magnetic Flow Meters

Magnetic Flow Meters: Magnetic Flow Meters are the first type of flowmeters to be considered for high corrosive applications and for applications involving measurement of erosive slurries. These meters work…

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Linear Variable Differential Transformer (LVDT)

Linear Variable Differential Transformer (LVDT): The differential transformer is a passive inductive transformer. It is also known as a Linear Variable Differential Transformer  (LVDT). The basic construction is as shown…

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Resistive Position Transducer

Resistive Position Transducer: The principle of the Resistive Position Transducer is that the physical variable under measurement causes a resistance change in the sensing element. (A common requirement in industrial…

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