Sensitivity of third- and higher-order filters

Dutta Roy, S. C. ; Bhargava, D. K. (1977) Sensitivity of third- and higher-order filters International Journal of Circuit Theory and Applications, 5 (3). pp. 235-238. ISSN 0098-9886

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For any realization of a network function F(s) = N(s)/D(s), the sensitivities that can be most readily calculated are those of the coefficients in N(s) and D(s). A simple relationship is derived that enables one to calculate the root (pole and zero) sensitivities of F(s) in terms of the coefficient sensitivities. The root sensitivities, in turn, enable one to calculate the root pair Q and root frequency sensitivities, which can be used to characterize and compare different realizations of F(s). Application to 3rd- and 4th-order filters reveals formulations that are more elegant than those already known in the literature.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons, Inc.
ID Code:9884
Deposited On:02 Nov 2010 10:33
Last Modified:01 Jun 2011 11:48

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