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A 30 to 44 GHz divide-by-2, quadrature, direct injection locked frequency divider for sliding-IF 60 GHz transceivers

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3 Author(s)
Cheema, H.M. ; Dept. of Electr. Eng., Eindhoven Univ. of Technol., Eindhoven, Netherlands ; Mahmoudi, R. ; van Roermund, A.

This paper presents a wideband 40 GHz divide-by-2 quadrature injection locked frequency divider (Q-ILFD) as an enabling component for sliding-IF 60 GHz transceivers. The design incorporates direct injection topology and input power matching using interconnect inductances to enhance injection efficiency. This results in an excellent input sensitivity and a wide locking range. Fabricated in a 65 nm bulk CMOS technology, the divider operates from 30.3 to 44 GHz (37% locking range) while consuming 9 mW from a 1.2 V supply. The measured phase noise is -131 dBc/Hz at 1-MHz offset whereas the phase error between I-Q outputs is less than 1.44°.

Published in:

Silicon Monolithic Integrated Circuits in RF Systems (SiRF), 2010 Topical Meeting on

Date of Conference:

11-13 Jan. 2010