Title :
Ultra-low drift microwave cryogenic oscillator
Author :
Bourgeois, P.Y. ; Lardet-Vieudrin, F. ; Kersalé, Y. ; Bazin, N. ; Chaubet, M. ; Giordano, V.
Author_Institution :
Lab. de Phys. et de Metrologie des Oscillateurs, CNRS-UPR, Besancon, France
fDate :
5/13/2004 12:00:00 AM
Abstract :
The operation of a microwave cryogenic sapphire resonator oscillator presenting an exceptional frequency stability for long integration times has been demonstrated. Based on a very simple design the 11.5 GHz oscillator presents a fractional frequency instability lower than 6×10-14 over one day.
Keywords :
cavity resonators; cryogenic electronics; frequency stability; microwave oscillators; sapphire; 11.5 GHz; Al2O3; fractional frequency instability; integration times; microwave cryogenic sapphire resonator oscillator; ultra low drift microwave cryogenic oscillator;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040408