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Mixed-integrator biquad for continuous-time filters
Chen, Y.1; Mak, P.-I.2; Zhou, Y.1
2018-10-20
Source PublicationElectronics Letters
ISSN00135194
Volume46Issue:8Pages:561-563
Abstract

A mixed-integrator biquad (MIB) combining the advantageous features of a gm-C integrator and a source-follower-based (SFB) integrator is proposed. Unlike the conventional pure SFB biquad suffering from significant passband gain loss, the MIB employs a linearised gm-C integrator at the front, overcoming the gain loss, and an SFB integrator at the back, guaranteeing good linearity and low-output impedance. The complex poles are synthesised through a negative feedback technique avoiding the need of a common-mode feedback circuit. An experimental fourth-order MIB-based Butterworth lowpass filter fabricated in 0.18m CMOS shows improved figure-of-merit with respect to the state-of-the-art, while occupying a small die area. © 2010 The Institution of Engineering and Technology.

DOI10.1049/el.2010.0544
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000279068100012
The Source to ArticleEngineering Village
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Chinese Academy of Sciences, Institute of Microelectronics, Beijing, China;
2.University of Macau, Faculty of Science and Technology, Macao, China
Recommended Citation
GB/T 7714
Chen, Y.,Mak, P.-I.,Zhou, Y.. Mixed-integrator biquad for continuous-time filters[J]. Electronics Letters,2018,46(8):561-563.
APA Chen, Y.,Mak, P.-I.,&Zhou, Y..(2018).Mixed-integrator biquad for continuous-time filters.Electronics Letters,46(8),561-563.
MLA Chen, Y.,et al."Mixed-integrator biquad for continuous-time filters".Electronics Letters 46.8(2018):561-563.
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