An investigation of the amplification of frequency modulated microwave signals by injection locked gunn-effect oscillators
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Authors
Burns, Arthur Eugene
Subjects
Advisors
Sackman, G. L.
Date of Issue
1969-04
Date
Publisher
Monterey, California. U.S. Naval Postgraduate School
Language
en_US
Abstract
Although it has been known for many years that under the
proper conditions an oscillator can lock to and follow an external
signal of much smaller amplitude, this phenomena has not had widespread
usage. The development of negative resistance solid state
oscillator diodes, such as the Gunn diode, has brought about
renewed interest in the locked oscillator, however.
The locking characteristics of an X-Band Gunn-effect oscillator
have been investigated. The theory of injection locking is discussed
and the experimental work performed is described. Amplifier performance
of 20 db gain with 40 MHz bandwidth and 30 db gain with
13 MHz bandwidth is reported.
The advantages of the locked Gunn-effect oscillator as an
amplifier for frequency modulated signals are its minimal power
supply requirements, small size, low weight, and simplicity.
Type
Thesis
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Distribution Statement
Approved for public release; distribution is unlimited.