28 October 1996 Stabilization of synchronous frequency in system of strongly coupled microwave oscillators
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The present paper studies a way to improve the lock-in frequency stability in two coupled microwave sources. A case is considered where strong coupling between the oscillators is realized through a common load, with one of the devices having a high Q-factor oscillatory circuit. It has been shown both theoretically and experimentally that it is feasible in such systems to sufficiently enhance the stability of frequency generation, while retaining steadiness of operation of coherent modes typical for strongly coupled systems. Also are considered symmetrical and non-symmetrical systems where the power addition or power subtraction modes operate. Effects of the common load on frequency and power characteristics are viewed. Experimental results from low-power semi-conductor S-range oscillators are cited.
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Sergei S. Novikov, Sergei S. Novikov, Sergei A. Maidanovskii, Sergei A. Maidanovskii, Stepan A. Sulakshin, Stepan A. Sulakshin, "Stabilization of synchronous frequency in system of strongly coupled microwave oscillators", Proc. SPIE 2843, Intense Microwave Pulses IV, (28 October 1996); doi: 10.1117/12.255391; https://doi.org/10.1117/12.255391

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