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Decrease uncertainty of measuring small differential signal against large common-mode signal

By Pavel Fedorovich Baranov, Valery Nikolaevich Borikov, Edward Ilyich Tsimbalict and Bien Bui Duc

Abstract

Comparators capable of comparing two alternating signals of the similar frequency within a wide dynamic range of frequencies and voltages are lock-in amplifiers with a differential input. The paper presents the methods and means are suggested for reducing the measurements uncertainty conditioned by the finite value of the common-mode rejection ratio in lock-in amplifier with a differential input

Topics: неопределенность, измерения, дифференциальные сигналы, синфазные сигналы, компараторы, усилители
Publisher: 'EDP Sciences'
Year: 2017
DOI identifier: 10.1051/matecconf/201710201006
OAI identifier: oai:earchive.tpu.ru:11683/37982

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