Sixth-order programmable bandwidth bandpass sigma-delta modulator implemented with transmission lines |
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Authors: | Hernandez L Prefasi E Rombouts P |
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Affiliation: | Dept. of Electron. Technol., Univ. Carlos III, Madrid, Spain; |
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Abstract: | An implementation of a sixth-order bandpass continuous time sigma-delta modulator using transmission lines is presented. A single tuning coefficient allows the exchange of resolution and bandwidth in this modulator, owing to the use of a two path transformation that exploits the similarity between transmission line modulators and discrete time modulators. The modulator tolerates two clock cycles of excess loop delay and a high clock jitter. |
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