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A CMOS injection-locked frequency divider with FSK signal deviations for high-order division

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2 Author(s)
F. H. Huang ; Dept. of Electr. Eng., Nat. Central Univ., Taoyuan, Taiwan ; Y. J. Chan

In this report, an injection-locked frequency divider (ILFD) was designed and realized using the 0.13 μm CMOS technologies. It not only demonstrates a variable self-oscillation frequency from 300 MHz to 4.7 GHz adjusted by the controlled voltages, but also exhibits the divider performance with a wide locking range for division ratios of 2, 4 and 6 as the self-oscillation frequency fixed to 2.5 GHz. The transient responses in ILFD, the FSK signal deviations through the frequency down-conversion operation have been demonstrated for the high-order division ratios.

Published in:

2005 IEEE International Wkshp on Radio-Frequency Integration Technology: Integrated Circuits for Wideband Comm & Wireless Sensor Networks

Date of Conference:

30 Nov.-2 Dec. 2005