A multiple loop feedback Gm-C bandpass filter for wavelet transform implementation

Wenshan Zhao*, Yichuang Sun, Xi Zhu, Yigang He

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

1 Citation (Scopus)

Abstract

A general method for analogue implementation of high-frequency wavelet transform is proposed in which the wavelet transform is synthesized by a bank of Gm-C bandpass filters whose impulse responses are the mother wavelet and its dilations. The proposed approach employs the inverse follow-the-leader-feedback multiple loop feedback structure for filter design to lower the magnitude sensitivity and facilitate the arbitrary rational function realization. The Marr wavelet is used as an example in this paper to illustrate design details. The wavelet filter is simulated using TSMC 1.8V 0.18μm CMOS technology. Simulation results show performance values obtained.

Original languageEnglish
Title of host publication2009 52nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS '09
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages106-109
Number of pages4
ISBN (Print)9781424444793
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event2009 52nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS '09 - Cancun, Mexico
Duration: 2 Aug 20095 Aug 2009

Other

Other2009 52nd IEEE International Midwest Symposium on Circuits and Systems, MWSCAS '09
CountryMexico
CityCancun
Period2/08/095/08/09

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