Amplifying properties of Gunn oscillator in injection locked mode

Abstract
A free-running Gunn oscillator can be used to amplify a low-level frequency-modulated microwave carrier. In this scheme the low-level carrier wave serves to injection lock the Gunn source, thereby impressing the FM signal onto the higher level Gunn oscillation. Experimental data on the signal bandwidth, gain, distortion, and dynamic range of this system are presented.

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