10 GHz cryocooled sapphire oscillator with extremely low phase noise

被引：43
|
作者：
Grop, S. [1 ]
Bourgeois, P. -Y. [1 ]
Boudot, R. [1 ]
Kersale, Y. [1 ]
Rubiola, E. [1 ]
Giordano, V. [1 ]
机构：
[1] Univ Franche Comte, CNRS, UMR 6174, Inst FEMTO ST, F-25044 Besancon, France
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 06期
关键词：
D O I：
10.1049/el.2010.0263
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The phase noise characterisation of two 10 GHz cryogenic sapphire oscillators exhibiting frequency stability higher than 3 x 10(-15) is reported. One of these oscillators developed for the deep space navigation ground stations of the European Space Agency, incorporates a closed cycle cryocooler as cold source. Near the carrier, the measured phase noise is limited by a flicker frequency noise: S-phi(f) = -30log(f) - 98 dBrad(2)/Hz.
引用
收藏
页码：420 / U60
页数：2
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