Abstract
This demo shows the automated high-level design process of continuous-time bandpass ΣΔ modulators with the web-based design tool www.sigma-delta.de. The design methodology presented in this demo is based on a heuristic search which allows to directly account for major non-idealities as excess-loop-delay, finite bandwidth and finite DC gain. In contrast to other state-of-the-art design methodologies, it allows to include specifications for the STF and is not just focused on the optimization of the NTF in order to achieve a high SNR. In this demo the visitors get to know the capabilities of the tool and a general insight is given with the possibility of hands-on experience. The workflow — with a fast response such that the visitors can generate their own modulators in real time — is illustrated with matching examples.
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