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A double-balanced injection-locked frequency divider for tunable dual-phase signal generation

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2 Author(s)
Lin Zhang ; Dept. of Electr. & Comput. Eng., Rochester Univ., NY, USA ; Hui Wu

We present an injection-locked divider (ILFD) with a double-balanced structure to generate two signals with tunable phase difference. A circuit prototype was designed and fabricated using a standard 0.18mum digital CMOS technology, and generates dual-phase signals at 4.8-6 GHz. The phase difference of the two output signals can be tuned independently by 55deg, and differentially by 100deg, both centered around quadrature (90deg). The phase noise degradation is negligible

Published in:

IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 2006

Date of Conference:

11-13 June 2006