Abstract
The initial step of designing a delta-sigma data converter is typically generating a noise transfer function (NTF) based on a rule of thumb such as Lee's famous rule for single-bit converters. As known, rules of such nature are merely suggestive and should be treated as an educated guess. This brief proposes a novel design rule based on optimizing NTFs to a fixed pair of norm-based metrics. Through a vast amount of behavioral simulations, a simple rule was created and was found to be quite accurate. The new rule is applicable for both one- and multibit converters.
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