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Definitions (17)
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AC power supply
a PSU that generates an AC output voltage (also called power inverter).
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Convection-cooled power supply
a PSU that is cooled from the natural motion of an air over the surfaces of its components.
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DC power supply
a PSU that produces DC output voltage, i.e. a voltage of a fixed polarity and specific value (which can be variable though).
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External power supply
a PSU that is located outside of an equipment and can sometimes power more than one electronic device
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Isolating power supply
a PSU that provides isolation between input and output.
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isolation
absence of DC current pass between two circuits. In a PSU isolation is provided by transformers. Commercially available AC-DC PSU are normally isolating. Low input voltage DC-DC PSU, such as car phone [..]
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Linear power supply
a PSU that regulates an output parameter (usually output voltage) by varying voltage drop across an electronic component placed in series with the load. This component dissipates unused power and it m [..]
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pard
Periodic and Random Deviation from the power supply's output DC voltage. Includes ripple and aperiodic noise. PARD is usually expressed in mV peak-to-peak or rms, at a specified bandwidth, typica [..]
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Power supply
a device that transfers electric energy from one form to another using electronic circuits. It is also called Power Supply Unit (PSU). A common application of power supplies is to convert mains AC pow [..]
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PSU
see Power supply.
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