Design of integrated all‐pass filters with linear group delay for analog signal processing applications,International Journal of Circuit Theory and Applications

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Design of integrated all‐pass filters with linear group delay for analog signal processing applications
International Journal of Circuit Theory and Applications ( IF 1.8 ) Pub Date : 2020-01-25 , DOI: 10.1002/cta.2750
João Alberto França Ferreira _{1,

2} , Emilie Avignon‐Meseldzija _{1,

2} , Pietro Maris Ferreira _{1,

2} , Julien Sarrazin _{1,

2} , Philippe Bénabès _{1,

2}

Affiliation

This article describes the design of integrated linear group delay filters for analog signal processing (ASP) applications and their implementation through constant‐resistance 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.

中文翻译：

具有线性群延迟的集成全通滤波器的设计，用于模拟信号处理应用

本文介绍了用于模拟信号处理（ASP）应用的集成线性群延迟滤波器的设计及其通过恒定电阻晶格和网桥T网络的实现。与以前发表的作品不同，我们的设计方法使用递归过程作为合成适当传递函数的基础。由于这种方法，可以获得具有更线性的群延迟特性和平坦幅度响应的滤波器。在0.13μmBiCMOS技术中设计了两个滤波器来演示该方法：具有负斜率的平衡晶格和正斜率的不平衡桥式T。

更新日期：2020-01-25

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