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Definition of "Voltage Reference" |
A circuit or device that provides a precision voltage that is used as a reference by another circuit. Most voltage references will be fixed, but some may be adjustable [with out becoming a voltage regulator], having a third terminal. Refer here for a list of Voltage Reference IC Manufacturers. / A voltage reference is an electronic device that produces a fixed constant voltage irrespective of the loading on the device, power supply variations, temperature changes, and the passage of time. Voltage references are used in power supply voltage regulators, analog-to-digital converters and digital-to-analog converters, and myriad other measurement and control systems. Voltage references vary widely in performance; a regulator for a computer power supply may only hold its value to within a few per cent of the nominal value, whereas laboratory voltage standards have precisions and stability measured in parts per million. / Digital Signal Level 1 is a T-carrier signaling scheme devised by Bell Labs. DS1 is a widely used standard in telecommunication in North America and Japan to transmit voice and data between devices. / a functional block that ideally provides a constant output voltage independent of external influences such as supply voltage, loading, or temperature. Commonly used voltage references are based on the bandgap voltage of silicon (bandgap reference) or the reverse breakdown of a zener diode. |
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