Gal-Katziri, Matan and Ives, Craig and Khakpour, Armina and Hajimiri, Ali (2021) A 28 GHz Optically Synchronized CMOS Phased Array with an Integrated Photodetector. In: 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE , Piscataway, NJ, pp. 111-114. ISBN 978-1-6654-2549-0. https://resolver.caltech.edu/CaltechAUTHORS:20210825-145535372
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Abstract
This paper presents a modular 28 GHz phased array. Each of its 2×4-modules is driven by a CMOS RFIC, whose RF output is optically synchronized using a fully integrated silicon photodiode. The photocurrent is amplified using a tuned injection-locked TIA to serve as the reference for an on-chip synthesizer, which generates and distributes the RF signal to the PAs that drive the antennas. We demonstrate beam steering, data transmission, and synchronization of array modules up to 25m away from the clock source.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2021 IEEE. | ||||||
| Subject Keywords: | phased arrays, CMOS, injection-locked oscillators, optoelectronics, photodiodes, silicon photonics | ||||||
| DOI: | 10.1109/rfic51843.2021.9490452 | ||||||
| Record Number: | CaltechAUTHORS:20210825-145535372 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20210825-145535372 | ||||||
| Official Citation: | M. Gal-Katziri, C. Ives, A. Khakpour and A. Hajimiri, "A 28 GHz Optically Synchronized CMOS Phased Array with an Integrated Photodetector," 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2021, pp. 111-114, doi: 10.1109/RFIC51843.2021.9490452 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 110414 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 25 Aug 2021 17:07 | ||||||
| Last Modified: | 25 Aug 2021 17:07 |
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