A reduced-complexity mixer linearization scheme

PA Warr, AM Potter

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Measurement results of the signals emanating from both IF and LO ports of a double balanced mixer are presented, and, thus, it is shown that the linearization of the output in a down-converting mixer by the summation of the IF signal and the signal emanating from the LO or RF port is feasible. Feedforward-based architectures for the linearization of down-conversion mixers are introduced that exploit this phenomenon, and linearity performance results of the frequency translation of both two-tone and TETRA-modulated signals are presented. This technique employs only a single mixer and hence overcomes the complexity of other mixer linearization schemes. The overall processing gain of the system is limited by the level of wanted signal present in the error signal
Translated title of the contributionA reduced-complexity mixer linearization scheme
Original languageEnglish
Pages (from-to)1 - 4
Number of pages4
JournalResearch Letters in Communications
Publication statusPublished - Sept 2009

Bibliographical note

Publisher: Hindawi
Rose publication type: Journal article

Terms of use: Copyright © 2009 P. A.Warr and A. M. Potter. This is an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly


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