DocumentCode
897859
Title
Amplitude and Frequency Modulation of a Waveguide Cavity CW Gunn Oscillator
Author
Tsai, Wei Ching ; Rosenbaum, Fred J.
Volume
18
Issue
11
fYear
1970
fDate
11/1/1970 12:00:00 AM
Firstpage
877
Lastpage
884
Abstract
The characteristics of bias-voltage-controlled AM and FM of a CW Gunn oscillator are reported. It is found that the loaded Q of the microwave oscillator circuit and the microwave impedance level largely govern these characteristics. Modulation mechanisms are discussed. A particular mechanism, due to the nonlinear I-V curve of the device, is shown to lower the oscillating frequency as the bias voltage is increased. Performance of an automatic frequency control loop (AFC) is also described.
Keywords
Amplitude modulation; Automatic frequency control; Equations; Frequency modulation; Gunn devices; Microwave circuits; Microwave devices; Microwave oscillators; Varactors; Voltage;
fLanguage
English
Journal_Title
Microwave Theory and Techniques, IEEE Transactions on
Publisher
ieee
ISSN
0018-9480
Type
jour
DOI
10.1109/TMTT.1970.1127365
Filename
1127365
Link To Document