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A 0.68V 0.68mW 2.4GHz PLL for ultra-low power RF systems

Author(s)
Paidimarri, Arun; Ickes, Nathan; Chandrakasan, Anantha P.
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Abstract
A 2.4GHz PLL consuming 0.68mW has been implemented in 65nm LPCMOS for use in ultra-low power Bluetooth Low Energy (BLE) applications. VCO, charge pump and dynamic flip-flop design optimization allow low voltage operation at 0.68V, bringing down dynamic power. The integer-N PLL covers all BLE channels and has a phase noise of −110dBc/Hz at 1MHz offset. To extend operation to extremely low duty cycles, extensive power gating is applied to bring the leakage power down to 170pW.
Date issued
2015-05
URI
http://hdl.handle.net/1721.1/100251
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Microsystems Technology Laboratories
Journal
Proceedings of the 2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Paidimarri, Arun, Nathan Ickes, and Anantha P. Chandrakasan. “A 0.68V 0.68mW 2.4GHz PLL for Ultra-Low Power RF Systems.” 2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) (May 2015).
Version: Author's final manuscript
ISBN
978-1-4799-7642-3

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