Low-Voltage Low-Power Broadband CMOS Analogue Circuit for White Gaussian Noise Generation

Authors: Evans, Guiomar; Goes, João; Paulino, Nuno

Source: Journal of Low Power Electronics, Volume 2, Number 2, August 2006 , pp. 308-316(9)

Publisher: American Scientific Publishers

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Abstract:

A low-power continuous-time CMOS analogue circuit for white Gaussian noise generation with a supply voltage of 1.5 V is presented. The performance of this circuit is compared with the state-of-the-art of the Gaussian noise generators. The proposed circuit is optimized for a standard 0.35 μm CMOS technology, using an equation-based design methodology based on genetic algorithms. Measurement results demonstrate that the circuit is capable of producing a high noise amplitude within a large bandwidth while using a relatively low power dissipation. Targeted applications for this circuit are: uniform noise generator circuits and the built-in self-calibration and on-chip built-in self-testing of video-rate analogue-to-digital converters.

Keywords: CIRCUIT OPTIMIZATION; GAUSSIAN AND UNIFORM NOISE GENERATORS; LOW-VOLTAGE LOW-POWER ANALOGUE CIRCUIT

Document Type: Conference report

DOI: http://dx.doi.org/10.1166/jolpe.2006.064

Publication date: 2006-08-01

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The electronic systems that can operate with very low power are of great technological interest. The growing research activity in the field of low power electronics requires a forum for rapid dissemination of important results: Journal of Low Power Electronics (JOLPE) is that international forum which offers scientists and engineers timely, peer-reviewed research in this field.
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