A Reconfigurable Multiphase LC-Ring Structure for Programmable Frequency Multiplication

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This brief presents a reconfigurable LC-ring structure and a programmable millimeter-wave low-power frequency multiplier that were combined together to achieve a maximum power-saving effect of 73% depending on operation modes. The proposed multiphase LC ring is reconfigurable to change the number of stages and thereby minimize current consumption depending on the number of phases necessary in an application. The programmable multiplier is implemented to reduce its current consumption by 82% through an inverter-type input circuit. A millimeter-wave frequency multiplier prototype, including the reconfigurable multiphase LC ring, was fully integrated in a 65-nm CMOS process and experimentally verified to provide programmable frequency multiplication over triple frequency bands of 12.6-15.2, 25.2-30.4, and 50.4-60.8 GHz, utilizing a 6.3- to 7.6-GHz multiphase LC ring.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2015-01
Language
English
Article Type
Article
Citation

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.62, no.1, pp.51 - 55

ISSN
1549-7747
DOI
10.1109/TCSII.2014.2362741
URI
http://hdl.handle.net/10203/264109
Appears in Collection
EE-Journal Papers(저널논문)
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