A Low Phase-Noise SIW Reflection Oscillator with Hexagonal Resonator

被引:4
|
作者
Xu, Ziqiang [1 ]
Tan, Li [1 ]
Li, Yuanxun [1 ]
Huang, Si [2 ]
机构
[1] Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu, Sichuan, Peoples R China
[2] Univ Arkansas, Elect Engn, Fayetteville, AR 72701 USA
基金
中国国家自然科学基金;
关键词
D O I
10.2528/PIERM18031206
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 low phase noise reflection oscillator using a hexagonal substrate integrated waveguide (SIW) resonator is proposed in this paper. The hexagonal SIW resonator, which can combine flexibility of a rectangular cavity and performance of a circular cavity, is convenient for oscillator design. Since any of the six sides of a hexagonal resonator can be utilized for coupling, the oscillator configuration is flexible and adaptable. A simplified generalised phase noise condition and its optimization approach are proposed for the low-phase noise oscillator design. Furthermore, a 10.4 GHz oscillator prototype was designed, fabricated and measured to validate the proposed optimization approach. The measured results show that this oscillator provides 11.3 dBm output power and possesses low phase noise of -127.2 dBc/Hz at 1 MHz offset from 10.37 GHz carrier frequency, which is suitable for low-cost application in microwave and millimeter-wave band.
引用
收藏
页码:99 / 107
页数:9
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