Efficacy of Transmission Poles Characteristics on K-Band VCOs Phase Noise Reduction

被引：0
|
作者：
Jahan, Nusrat [1 ]
Barakat, Adel [2 ]
Pokharel, Ramesh [2 ]
机构：
[1] Chittagong Univ Engn & Technol CUET, Dept Elect & Elect Engn EEE, Chittagong 4349, Bangladesh
[2] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Fukuoka, Japan
来源：
2022 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC) | 2022年
关键词：
Q-factor; DGS; low-band transmission pole; high-band transmission pole; Dual-band transmission poles; VCO;
D O I：
暂无
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：
In this paper, effectiveness of multi-resonance around the parallel resonance of an LC-tank circuit on the reduction of K-band Voltage-Controlled Oscillators (VCOs) phase noise is proposed. The skirt characteristics of the Scattering (vertical bar S vertical bar) parameters of the resonators is sharpened by introducing transmission poles beside the parallel resonance of the LC-tank circuit. In return, an enhanced the resonator loaded quality (Q) factor without compromising the unloaded Q-factor is obtained. Three designs are realized, verified and compared to the others in a differential VCO topology and the phase noise reduction in post-layout simulations is confirmed. Finally, two chips are fabricated in 0.18-mu m CMOS technology and measured.
引用
收藏
页码：668 / 670
页数：3
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