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A mm-Wave 40 nm CMOS Subharmonically Injection-Locked QVCO with Lock Detection Host Publication: Solid-State Circuits Conference (A-SSCC), 2013 IEEE Asian Authors: G. Mangraviti, B. Parvais, Q. Shi, V. Vidojkovic, M. Libois, G. Vandersteen and P. Wambacq Publication Date: Nov. 2013 Number of Pages: 4
Abstract: This paper demonstrates a 40 nm CMOS mm-wave subharmonically injection-locked QVCO with a lock detection mechanism. The locking range is more than 2 GHz over the 55ᇓ GHz tuning range. An envelope detector simplifies the calibration of the QVCO. In addition, the lock detector, based on passive mixing, detects the lock condition simply by a change in the DC operating point. The large locking range, the large tunability and the combination of envelope detector and lock detector offer a simple approach for robust mm-wave frequency synthesis based on subharmonic injection locking.
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