Continuous-time delta-sigma modulator with inverting-amplifying chains

Pere Llimós Muntal (Inventor), Ivan Harald Holger Jørgensen (Inventor)

Research output: Patent

159 Downloads (Pure)


The present disclosure relates to a continuous-time delta-sigma modulator for converting an analog input signal to a digital output signal, said continuous-time delta- sigma modulator comprising a gain stage in the form of at least one amplifying block comprising at least three serially connected inverting stages, wherein at least one of the inverting stages is an inverter, and wherein at least one inverting stage is configured to provide an amplification functionality, such that the serially connected inverting stages form a ring amplifier, said ring amplifier comprising an embedded voltage offset configured to stabilize the inverting stages, wherein the ring amplifier is configured to operate in continuous-time mode.

Original languageEnglish
IPCH03M 3/ 00 A I
Patent numberWO2019057990
Filing date25/09/2018
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date25/09/2017
Priority numberEP20170192897
Publication statusPublished - 28 Mar 2019


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