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Ultralow In-Band Phase Noise Injection-Locked Frequency Multiplier Design Based on Open-Loop Frequency Calibration
Cited 6 time in
Web of Science
Cited 6 time in Scopus
- Authors
- Issue Date
- 2014-09
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, Vol.61 No.9, pp.701-705
- Abstract
- A new design methodology is proposed for an ultralow in-band phase noise injection-locked frequency multiplier (ILFM) based on open-loop frequency calibration. The prototype ILFM was designed and fabricated in the 65-nm CMOS process. Using an open-loop calibrator without a real-time monitoring loop, the ILFM achieved excellent in-band phase noise with low power consumption and a small silicon area. Following the design procedure based on the phase noise analysis, the proposed ILFM showed that the open-loop calibrator was capable of overcoming phase noise degradation due to process-voltage-temperature variations. The output frequency was 3.0 GHz when the oscillator was injection locked by the 15th harmonic of the 200-MHz reference clock. The in-band phase noise performance was -117.0, -122.6, and -124.5 dBc/Hz at 10-, 100-, and 1-MHz offsets, respectively. The total active area was 0.19 mm(2), and the power consumption was 8.1 mW.
- ISSN
- 1549-7747
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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