Millimeter-wave phase-locked loop with injection-locked...

Telecommunications – Transmitter and receiver at same station – With frequency stabilization

Reexamination Certificate

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C455S180300, C455S260000, C327S147000, C375S376000

Reexamination Certificate

active

07856212

ABSTRACT:
Embodiments of a millimeter-wave phase-locked loop with an injection-locked frequency divider (ILFD) are generally described herein. Other embodiments may be described and claimed. In some embodiments, the ILFD uses a quarter-wavelength transmission line. A method of calibrating an ILFD is also provided to allow the ILFD to operate at or near the center of its locking range for each of a plurality of VCO oscillating frequency bands.

REFERENCES:
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Rategh et al, A CMOS Frequency Synthesizer with an Injection-Locked Frequency Divider for a 5-GHz Wireless LAN receiver, May 2000, IEEE Journal on Solid-State Circuits, vol. 35, pp. 780-787.
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