Overview of analog feedback. Part I: Basic theory

The theoretical aspect of high performance analog feedback networks is discussed in terms of circuit transfer, driving point impedance and frequency response characteristics. A computationally efficient form of signal flow theory, which is a hybrid of signal flow and two-port networks, is presented....

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Bibliographic Details
Published in:Analog integrated circuits and signal processing 1998-11, Vol.17 (3), p.175-194
Main Authors: Palumbo, G, Choma, J Jr
Format: Article
Language:English
Online Access:Get full text
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Summary:The theoretical aspect of high performance analog feedback networks is discussed in terms of circuit transfer, driving point impedance and frequency response characteristics. A computationally efficient form of signal flow theory, which is a hybrid of signal flow and two-port networks, is presented. This hybrid feedback circuit analysis allows for efficient assessment of the gain, bandwidth, sensitivity, stability, and input/output impedance characteristics of a broad variety of global feedback loops. The method complements the task of formulating engineering design guidelines for feedback network design.
ISSN:0925-1030
DOI:10.1023/A:1008388130082