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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
- 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