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buffer amplifier
(redirected from Unity gain buffer)

   Also found in: Wikipedia 0.01 sec.
buffer amplifier
An analog device that is typically used for impedance matching and signal isolation. For example, a sound card typically uses buffer amps at most of its input and output ports.
buffer amplifier [¦bəf·ər ′am·plə‚fī·ər]
(electronics)
An amplifier used after an oscillator or other critical stage to isolate it from the effects of load impedance variations in subsequent stages. Also known as buffer; buffer stage.


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One method of dealing with this relatively low impedance is to use a near unity gain buffer amplifier to increase the effective equivalent impedance of the detector.
 
 
 
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