Importance

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Abstract

An improved bias generator incorporates a reference voltage and/or a reference current into the generation of bias voltages. In some cases, the output of a biased delay element has a constant voltage swing. A delay line of such constant output voltage swing delay elements may be shown to provide reduced power consumption compared to some known self-biased delay lines. Furthermore, in other cases, careful selection of parameters for providing the reference voltage and/or providing the reference current to a novel bias generator allows a delay line of delay elements biased by such a novel bias generator to show reduced sensitivity to operating conditions, reduced sensitivity to variation in process parameters and improved signal quality, thereby providing more robust operation.

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First Claim