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Presentation
Presentation

... actual ground pin, since the output voltage is generated between two nodes, the actual output pin and the chip’s common node. Think about this for a moment and you should readily grasp how these returning signal currents will necessarily always follow an electrical path offering the least impedance; ...
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Lab #7: LVDT - Montana State University
Lab #7: LVDT - Montana State University

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voltage sources in parallel
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Alternating current



Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).
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