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On-Chip Analog Sinewave Generator with Reduced Circuitry Resources

This paper proposes an analog sinewave signal generator with minimal circuitry resources. It is based on a linear time variant filter that gives a high quality sine signal in response to a DC input. The proposed architecture has the attributes of digital programming and control capability, robustness and reduced area overhead, what make it suitable for BIST applications. Experimental results from a practical design demonstrate the feasibility of the approach.