Derivative Superposition - a linearization technique for ultra broadband systems

D. R. Webster*, D. G. Haigh, J. B. Scott, A. E. Parker

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

This paper summarizes progress on a distortion reduction and nonlinear function synthesis technique called Derivative Superposition. The paper starts by reviewing the idea of Derivative Superposition. We show how low distortion amplifiers and function circuits such as frequency triplers can be designed. We review the results of a 4 HEMT low 3rd order distortion amplifier demonstrator. We consider the effect of the strong 2-port nonlinearity of a MESFET and show its effect on a 2 MESFET demonstrator. We describe progress on a software tool called `Super Deriv' that provides CAD support. We describe some alternative implementations of Derivative Superposition.

Original languageEnglish
JournalIEE Colloquium (Digest)
Issue number111
Publication statusPublished - 1996
Externally publishedYes

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