Design of a Direct Sampling Mixer with a Complex Coefficient Transfer Function

The Direct Sampling Mixer (DSM) with a complex coefficient transfer function is demonstrated. The operation theory and the detail design methodology are discussed for the high order complex DSM, which can achieve large image rejection ratio by introducing the attenuation pole at the image frequency...

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Veröffentlicht in:	IEICE transactions on electronics 2012-01, Vol.E95.C (6)
Hauptverfasser:	MORISHITA, Yohei, SAITO, Noriaki, TAKINAMI, Koji, ARAKI, Kiyomichi
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Sprache:	jpn
Schlagworte:	Architecture Coefficients Distributed memory Mixers Rejection Sampling Transfer functions
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container_title	IEICE transactions on electronics
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creator	MORISHITA, Yohei SAITO, Noriaki TAKINAMI, Koji ARAKI, Kiyomichi
description	The Direct Sampling Mixer (DSM) with a complex coefficient transfer function is demonstrated. The operation theory and the detail design methodology are discussed for the high order complex DSM, which can achieve large image rejection ratio by introducing the attenuation pole at the image frequency band. The proposed architecture was fabricated in a 65nm CMOS process. The measured results agree well with the theoretical calculation, which proves the validity of the proposed architecture and the design methodology. By using the proposed design method, it will be possible for circuit designers to design the DSM with large image rejection ratio without repeated lengthy simulations.
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subjects	Architecture Coefficients Distributed memory Mixers Rejection Sampling Transfer functions
title	Design of a Direct Sampling Mixer with a Complex Coefficient Transfer Function
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