A 62dB SFDR, 500MSPS, 15mW open-loop track-and-hold circuit

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Abstract

In this work, the design of an open-loop front-end track & hold (T&H) circuit is considered. Advantages of the presented circuit include low power-consumption, high-speed operation, simple reliable design, and ability to operate at low power-supplies. The major problem of open-loop circuits is their relatively poor linearity. In the presented design, high linearity is achieved by applying three linearization techniques: clock boosting (Abo and Gray, 1999), resistive source degeneration (Razavi, 2001), (Ouzounov et al., 2005) and cross-coupling (Ouzounov et al., 2005), (Voorman and Veenstra, 2000). As a result, a linearity corresponding to 10-bit accuracy is achieved. The final design in a 0.18mum CMOS process achieves an SFDR of 62 dB using a sample frequency of 500 MHz while consuming 15mW at a 1.8V power supply
Original languageEnglish
Title of host publicationProceedings of the 24th IEEE Norchip 2006 Conference
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages103-106
Number of pages4
ISBN (Print)1-4244-0772-9
DOIs
Publication statusPublished - 2006
EventIEEE Norchip 2006 - Linkoping, Sweden
Duration: 20 Nov 200621 Nov 2006

Conference

ConferenceIEEE Norchip 2006
CountrySweden
CityLinkoping
Period20/11/0621/11/06

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  • Cite this

    Harpe, P. J. A., Zanikopoulos, A., Hegt, J. A., & Roermund, van, A. H. M. (2006). A 62dB SFDR, 500MSPS, 15mW open-loop track-and-hold circuit. In Proceedings of the 24th IEEE Norchip 2006 Conference (pp. 103-106). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/NORCHP.2006.329254