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A Novel Linearized Transconductor Using a Differential Current Amplifier
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/05/25
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Analog Signal Processing
transconductor, linearization, differential current amplifier, emitter-coupled pair,
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A new linearization technique of a transconductor is presented. The linearization is realized by using a differential current amplifier with an emitter-coupled pair. A specific value of the linearization parameter gives a maximally flat or an equiripple characteristic. Deviations from the theoretical characteristic can be adjusted by tuning the tail current of the emitter-coupled pair. The proposed technique is demonstrated by PSPICE simulation.