Feed-forward amplifier

Details Feed-forward amplifier Feed-forward amplifier

H - Electricity

03

F

330/13

H03F 1/32 (2006.01) H03F 3/45 (2006.01)

Patent

CA 1124803

FEED-FORWARD AMPLIFIER ABSTRACT A high-precision amplifier employs a feed-forward technique to provide a first order correction of amplifier distortion. A second amplifier is utilized to sense the base-to-emitter distortion of a main amplifier and develop an error output which is injected into an output node to provide cancellation of distortion from the output of the main amplifier. The feed-forward distortion-correction technique is particularly applicable to high-precision wideband differential amplifiers; however, the technique may be used in other amplifiers as well.

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