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A High-Accurate Exponential Function Generator Based on a New Pseudo-Approximation Method by TLBO Optimization Algorithm.
- Source :
-
Circuits, Systems & Signal Processing . Apr2018, Vol. 37 Issue 4, p1407-1421. 15p. - Publication Year :
- 2018
-
Abstract
- A compact and low-voltage CMOS exponential function generator circuit based on a new pseudo-approximation method is designed in 180-nm CMOS standard technology. The proposed approximation method is based on the TLBO evolutionary algorithm and shows a close characteristic to the ideal exponential function behavior over wide input range. Simulation results using HSPICE validate the theoretical analysis and verify the efficiency of proposed circuit which shows more than 66 dB output dynamic voltage range while the error is less than ±0.5dB<inline-graphic></inline-graphic>. The total power consumption is below 0.17 mW with a ±0.75V<inline-graphic></inline-graphic> power supply. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0278081X
- Volume :
- 37
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Circuits, Systems & Signal Processing
- Publication Type :
- Academic Journal
- Accession number :
- 128397255
- Full Text :
- https://doi.org/10.1007/s00034-017-0625-3