{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/60147"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/60147","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"A low-voltage zero-crossing-based delta-sigma analog-to-digital converter","abstract":"A zero-crossing-based (ZCB) switched-capacitor technique is presented for operation under low power supply voltages without gate boosting. Voltage ramp generators maintain common-mode level at each integrator output. Correlated level-shifting is used to increase the effective output impedance of gated current sources. The technique was used to design a single-bit 4th-order delta-sigma analog-to-digital converter for audio applications. 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