Structure generation and design of multiple loop feedback OTA-grounded capacitor filters

Y. Sun; J.K. Fidler

doi:10.1109/81.558436

Structure generation and design of multiple loop feedback OTA-grounded capacitor filters

Y. Sun, J.K. Fidler

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Abstract

This paper addresses the structure generation, analysis and synthesis of multiple loop feedback OTA-C filters. A systematic approach is proposed for all-pole filters, and the generation and design of minimum component structures are extensively exemplified. Two general methods for transmission zero realization are also suggested and two architectures with simple design formulas are illustrated. Using the theory many new interesting configurations can be produced alongside some known structures. All the filter architectures contain only grounded capacitors and all internal nodes in canonical realizations have a grounded capacitor. A general method for sensitivity analysis of the structures is formulated. Numerical design examples and simulation results are also presented. The essence of the theory is the establishment of the relationship between the filter structure and the feedback matrix, which makes systematic structure generation and general design equation formulation possible.

Original language	English
Pages (from-to)	1-11
Journal	IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Volume	44
Issue number	1
DOIs	https://doi.org/10.1109/81.558436
Publication status	Published - 1997

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title = "Structure generation and design of multiple loop feedback OTA-grounded capacitor filters",

abstract = "This paper addresses the structure generation, analysis and synthesis of multiple loop feedback OTA-C filters. A systematic approach is proposed for all-pole filters, and the generation and design of minimum component structures are extensively exemplified. Two general methods for transmission zero realization are also suggested and two architectures with simple design formulas are illustrated. Using the theory many new interesting configurations can be produced alongside some known structures. All the filter architectures contain only grounded capacitors and all internal nodes in canonical realizations have a grounded capacitor. A general method for sensitivity analysis of the structures is formulated. Numerical design examples and simulation results are also presented. The essence of the theory is the establishment of the relationship between the filter structure and the feedback matrix, which makes systematic structure generation and general design equation formulation possible.",

author = "Y. Sun and J.K. Fidler",

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N1 - “This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder." “Copyright IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.” DOI: 10.1109/81.558436

PY - 1997

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Structure generation and design of multiple loop feedback OTA-grounded capacitor filters

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