A low phase noise microwave oscillator based on a high Q SIW cavity CSRR band-pass filter

被引:10
作者
Hamidkhani, Mehdi [1 ]
Mohajeri, Farzad [1 ]
机构
[1] Shiraz Univ, Dept Elect Engn, Shiraz, Iran
关键词
CSR; high Q factor; low phase noise; oscillator; SPLIT-RING RESONATORS;
D O I
10.1080/09205071.2016.1231088
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
This study designed, developed and put empirically into test a low phase noise oscillator using a complementary split ring resonator filter of high Q factor as a frequency stabilization and selection element. This oscillator is of parallel feedback type. The oscillator was designed at the group-delay-peak frequency of the filter to achieve a dramatic reduction in the phase noise of the oscillator. At the oscillation frequency 5.36 GHz, the phase noise was measured -128 dBc/Hz at 100 kHz offset frequency and -145 dBc/Hz at 1 MHz offset frequency. The designed oscillator revealed the output power 7 dBm. According to the scientific literature, the proposed oscillator was found to enjoy the best performance at low phase noise for planar microwave oscillators.
引用
收藏
页码:2077 / 2087
页数:11
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