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Optically controlled oscillators for millimeter-wave phased-array antennas

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4 Author(s)
Sturzebecher, D.J. ; LABCOM, Ft. Monmouth, NJ, USA ; Zhou, X. ; Zhang, X.-S. ; Daryoush, A.S.

An approach for the design of optically synchronized millimeter-wave local oscillators based on a subharmonically injection-locked phase-lock-loop technique is introduced. The experimental results support the desired goal of frequency and phase coherency, phase shift control of millimeter-wave oscillators, and self-oscillating mixing to downconvert a millimeter-wave RF signal. Experimental results and theoretical analysis show the advantages of the proposed approach: large locking range of two subharmonically locked oscillators, lower FM noise degradation, and smaller phase error caused by frequency detuning

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:41 ,  Issue: 6 )