difference amplifier


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difference amplifier

[′dif·rəns ‚am·plə‚fī·ər]
(electronics)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The pre-amplifier stage sets the IA gain as the ratio of two resistance values, followed by the difference amplifier which operates differential to single-ended conversion.
Then, two signals were combined with a difference amplifier to improve the signal-to-noise ratio.
For such systems, Analog Devices Inc, Wilmington, MA, has developed a difference amplifier suited not only for today's 14V and 24V automotive systems, but for the 42V environment, as well.