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A Compact 196 GHz FSK Transmitter for Point-to-Point Wireless Communication with Novel Direct Modulation Technique

Chen, Lili and Nooshabadi, Samir and Cathelin, Andreia and Afshari, Ehsan (2021) A Compact 196 GHz FSK Transmitter for Point-to-Point Wireless Communication with Novel Direct Modulation Technique. In: 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE , Piscataway, NJ, pp. 11-14. ISBN 978-1-6654-2549-0. https://resolver.caltech.edu/CaltechAUTHORS:20210826-145320066

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Abstract

A compact, fully-integrated 196GHz FSK transmitter for point-to-point wireless communication is prototyped with a 55nm SiGe BiCMOS process, demonstrating a single-channel data rate of 10Gb/s with a chip area of 0.68mm². The achieved single-channel data rate is around 5x higher compared with all other FSK wireless transmitters and the chip area is around 4x smaller compared with other state-of-the-art sub-THz wireless transmitters. Unlike conventional FSK transmitters which encode data with two oscillators at different frequencies or with the control voltage of varactors in the LC tank, the proposed FSK transmitter performs data modulation by varying the phase shift of tunable phase shifting couplers in a coupled oscillator loop, resolving the issues of extra power consumption and long frequency settling time. In theory, frequency shift based on this mechanism is instantaneous without overshoot/undershoot issues.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/rfic51843.2021.9490475DOIArticle
ORCID:
AuthorORCID
Chen, Lili0000-0001-6398-2388
Nooshabadi, Samir0000-0003-1645-0009
Afshari, Ehsan0000-0002-4528-1788
Additional Information:© 2021 IEEE.
Subject Keywords:Adler’s equation, compact transmitter, coupled oscillators, frequency settling, injection locking, mm-wave, sub-terahertz, VCO
DOI:10.1109/rfic51843.2021.9490475
Record Number:CaltechAUTHORS:20210826-145320066
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210826-145320066
Official Citation:L. Chen, S. Nooshabadi, A. Cathelin and E. Afshari, "A Compact 196 GHz FSK Transmitter for Point-to-Point Wireless Communication with Novel Direct Modulation Technique," 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2021, pp. 11-14, doi: 10.1109/RFIC51843.2021.9490475
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:110571
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:26 Aug 2021 16:39
Last Modified:26 Aug 2021 16:39

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