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Journal Articles International Journal of Circuit Theory and Applications Year : 2020

Design of integrated all‐pass filters with linear group delay for analog signal processing applications

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Abstract

This article describes in detail the design of integrated linear group delay filters for analog signal processing (ASP) applications and their realization through constantresistance lattice and bridged-T networks. Unlike previously published works, our design method uses a recursive procedure as the basis for the synthesis of a suitable transfer function. Thanks to this method, filters with a more linear group delay characteristic and flat magnitude response can be obtained. Two filters are designed in a 0.13 µm BiCMOS technology to demonstrate the method: a balanced lattice with a negative slope, and an unbalanced bridged-T of positive slope.
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Dates and versions

hal-02504364 , version 1 (05-10-2022)

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João Alberto França Ferreira, Emilie Avignon-Meseldzija, Pietro Maris Ferreira, Julien Sarrazin, Philippe Benabes. Design of integrated all‐pass filters with linear group delay for analog signal processing applications. International Journal of Circuit Theory and Applications, 2020, 48 (5), pp.658 - 673. ⟨10.1002/cta.2750⟩. ⟨hal-02504364⟩
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