Locked-Oscillator Repeater with Modulation Frequency Feedback.
DEPARTMENT OF THE ARMY WASHINGTON DC
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In accordance with this invention, a radio repeater of the injection locked oscillator type is provided with a feedback circuit for changing the free-running or rest frequency of the locked oscillator so that it follows the frequency deviations of the frequency modulation signal being repeated. This results in a higher gain for the repeater. Author
- Radio Communications