Analysis of mirror mismatch and clock-feedthrough in Bruton transformation switched current wave filters
Analysis of mirror mismatch and clock-feedthrough in Bruton transformation switched current wave filters
The paper describes the modelling and analysis of the non-ideal performance of recently introduced Bruton transformation switched current (SI) wave filters. Two sources of errors are considered: mismatching in current mirrors and clock-feedthrough in delay cells. Using transistor-level realisations, analytical non-ideal models for the main components of Bruton transformation wave fillers are developed, including capacitive source and load, and frequency dependent negative resistors. These models are integrated with MATLAB to study the influence of these errors on the filter frequency response. The non-ideal performance of 3rd-order low-pass and 5th-order high-pass elliptic filters using second-generation and S2l delay cells are analysed and included.
6-15
Al-Hashimi, B. M.
0b29c671-a6d2-459c-af68-c4614dce3b5d
Xie, Y.
77c46c7b-1aa6-4534-bca1-8c6a3dd40705
Zwolinski, M.
adfcb8e7-877f-4bd7-9b55-7553b6cb3ea0
February 2003
Al-Hashimi, B. M.
0b29c671-a6d2-459c-af68-c4614dce3b5d
Xie, Y.
77c46c7b-1aa6-4534-bca1-8c6a3dd40705
Zwolinski, M.
adfcb8e7-877f-4bd7-9b55-7553b6cb3ea0
Al-Hashimi, B. M., Xie, Y. and Zwolinski, M.
(2003)
Analysis of mirror mismatch and clock-feedthrough in Bruton transformation switched current wave filters.
IEE Proceedings: Circuits, Devices and Systems, 150 (1), .
(doi:10.1049/ip-cds:20030265).
Abstract
The paper describes the modelling and analysis of the non-ideal performance of recently introduced Bruton transformation switched current (SI) wave filters. Two sources of errors are considered: mismatching in current mirrors and clock-feedthrough in delay cells. Using transistor-level realisations, analytical non-ideal models for the main components of Bruton transformation wave fillers are developed, including capacitive source and load, and frequency dependent negative resistors. These models are integrated with MATLAB to study the influence of these errors on the filter frequency response. The non-ideal performance of 3rd-order low-pass and 5th-order high-pass elliptic filters using second-generation and S2l delay cells are analysed and included.
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Published date: February 2003
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Local EPrints ID: 477986
URI: http://eprints.soton.ac.uk/id/eprint/477986
ISSN: 1350-2409
PURE UUID: 9bf28b48-fc69-4366-8427-f77c5a24525a
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Date deposited: 19 Jun 2023 16:40
Last modified: 17 Mar 2024 02:35
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Author:
B. M. Al-Hashimi
Author:
M. Zwolinski
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