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Journal Article Digitally tuned Gm-C filter with VDD∕temperature-compensating DAC
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Authors
S. Byun, J. Laskar
Issue Date
2007-03
Citation
Electronics Letters, v.43, no.5, pp.35-36
ISSN
0013-5194
Publisher
IET
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1049/el:20070169
Abstract
A digitally tuned Gm-C filter with a VDD/temperature- compensating digital-to-analogue converter (DAC) is presented. By using the proposed DAC, the bandwidth sensitivities to VDD and temperature variations of a Gm-C filter can be decreased without repeated frequency tuning. The measured bandwidth sensitivities are as low as 1.2/100°C and 1.7/V for temperature and VDD, respectively.
KSP Keywords
Frequency tuning, Gm-C filter, Temperature variations, Temperature- compensating