Rectangular waveguide compatible NRD guide Gunn oscillator with medium power and low phase noise at 60 GHz

被引:0
|
作者
Kuroki, Futoshi [1 ]
Yamaoka, Ko-ichi
Shimoi, Hiroshi
Yoneyama, Tsukasa
机构
[1] Kure Natl Coll Technol, Kure 7378506, Japan
[2] Tohoku Inst Technol, Sendai, Miyagi 9858588, Japan
关键词
NRD guide; Gunn oscillator; transition; phase noise; temperature variation rate;
D O I
10.1002/ecjb.20290
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
A 60-GHz frequency-stabilized small oscillator consisting of a Gunn diode, a circulator, and a matched termination is fabricated by using NRD guides. The emphasis in this paper is adaptability to a rectangular waveguide circuit. To this end, an NRD guide-waveguide transition is designed. In the 60-GHz NRD Gunn diode oscillators to date, Gunn diodes sealed in a package dedicated to the NRD guide have been placed on special order. With a view to cost reduction, a Gunn diode mount is conceived in which a general-purpose-type Gunn diode can be used. The oscillation output of the fabricated oscillator is 13 dBm and the phase noise at 300 kHz offset is -113 dBc/Hz. Further, the frequency variation due to ambient temperature change is -1.3 ppm/degrees C so that the fabricated millimeter-wave oscillator is highly stable, with medium power output and low noise. (C) 2007 Wiley Periodicals, Inc.
引用
收藏
页码:26 / 32
页数:7
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