Title :
Low-phase-noise Gunn diode oscillator design
Author :
Strangeway, Robert A. ; Ishii, T. Koryu ; Hyde, James S.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Marquette Univ., Milwaukee, WI, USA
fDate :
4/1/1988 12:00:00 AM
Abstract :
Low-phase-noise Gunn diode oscillators with an operating frequency of 35 GHz and an output power of 100 mW are designed, fabricated, and tested. The phase noise is -132 dBc/Hz to -125 dBc/Hz at 100-kHz offset from the center frequency. This low phase noise is obtained by closely coupling the stabilizing transmission cavity resonator and the Gunn-diode-oscillator coaxial line while loosely coupling the transmission cavity to the output waveguide following van der Heyden´s approach
Keywords :
Gunn oscillators; cavity resonators; stability; 100 mW; 35 GHz; EHF; Gunn diode oscillator; MM-wave type; coaxial line; coupling; low phase noise; millimetre wave operation; output waveguide; solid state microwave circuits; stabilizing transmission cavity resonator; Cavity resonators; Coaxial components; Couplings; Diodes; Frequency; Gunn devices; Oscillators; Phase noise; Power generation; Testing;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
