Please use this identifier to cite or link to this item: https://doi.org/10.1109/TCSII.2013.2273727
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dc.titleA crystal-less temperature-independent reconfigurable transmitter targeted for high-temperature wireless acoustic telemetry applications
dc.contributor.authorZhou, L.
dc.contributor.authorAnnamalai, M.
dc.contributor.authorKoh, J.
dc.contributor.authorJe, M.
dc.contributor.authorYao, L.
dc.contributor.authorHeng, C.-H.
dc.date.accessioned2014-10-07T04:22:31Z
dc.date.available2014-10-07T04:22:31Z
dc.date.issued2013
dc.identifier.citationZhou, L., Annamalai, M., Koh, J., Je, M., Yao, L., Heng, C.-H. (2013). A crystal-less temperature-independent reconfigurable transmitter targeted for high-temperature wireless acoustic telemetry applications. IEEE Transactions on Circuits and Systems II: Express Briefs 60 (9) : 542-546. ScholarBank@NUS Repository. https://doi.org/10.1109/TCSII.2013.2273727
dc.identifier.issn15497747
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/81857
dc.description.abstractA reconfigurable acoustic telemetry transmitter that employs crystal-less temperature-independent frequency reference has been realized in a 1-$\mu\hbox{m}$ silicon-on-insulator complementary metal-oxide-semiconductor process. The transmitter can be configured to transmit either a three-channel chirp signal or a six-channel on-off keying (OOK) signal to provide flexibility based on channel characteristics. Different frequencies derived from the crystal-less temperature-independent frequency reference are directly modulated by input data before being combined and sent through a multiple-feedback low-pass filter. The resulting three-channel chirp signal achieves a total data rate of 60 b/s, whereas the six-channel OOK signal achieves a total data rate of 120 b/s. The frequency reference is realized through a frequency-locked loop that employs a resistor-capacitor phase shifter with a resistor temperature coefficient cancellation technique. It achieves a frequency inaccuracy of $\pm$1.94% over the temperature range of 175°C ∼ 275°C. Consuming 9 mW and occupying 25 mm2, this brief is the first reported integrated solution targeted for high-temperature acoustic telemetry in oil-drilling applications with the highest reported data rate. © 2013 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/TCSII.2013.2273727
dc.sourceScopus
dc.subjectAcoustic telemetry
dc.subjecthigh temperature
dc.subjecton-off keying (OOK)/chirp
dc.subjectreconfigurable transmitter
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/TCSII.2013.2273727
dc.description.sourcetitleIEEE Transactions on Circuits and Systems II: Express Briefs
dc.description.volume60
dc.description.issue9
dc.description.page542-546
dc.identifier.isiut000324651800002
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