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Efficient design of switched current lowpass elliptic filters using Bruton transformations

Lancaster, J., Al-Hashimi, B.M. and Moniri, M. (1998) Efficient design of switched current lowpass elliptic filters using Bruton transformations , pp. 115-18.

Record type: Conference or Workshop Item (Other)


This paper describes how the Bruton transformation facilitates the development of an efficient design methodlogy for switched current elliptic lowpass wave filters. Wave models for the design methodlogy including FDNR, capacitive source and load are presented. The proposed design method offers a significant reduction in the filter transistor count. For example, a 7th-order lowpass elliptic filter utilises 20% less delay elements and 16% less current mirrors when compared with a recently reported design method. This is achieved by having a filter with a large number of resistors and simplified series adapters. Simulated results based on a typical CMOS process for a lowpass elliptic filter with Fc=100KHz and Fs=1MHz are included.

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Published date: June 1998
Additional Information: Address: USA
Organisations: Electronic & Software Systems


Local EPrints ID: 251509
PURE UUID: 3edc9cb1-cc82-4eb9-a5d8-614850d251bf

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Date deposited: 03 Nov 1999
Last modified: 18 Jul 2017 10:09

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Author: J. Lancaster
Author: B.M. Al-Hashimi
Author: M. Moniri

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