High-performance and area-efficient stacked transformers for RF CMOS integrated circuits

被引:21
作者
Fong, N [1 ]
Plouchart, JO [1 ]
Zamdmer, N [1 ]
Kim, J [1 ]
Jenkins, K [1 ]
Plett, C [1 ]
Tarr, G [1 ]
机构
[1] Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada
来源
2003 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-3 | 2003年
关键词
D O I
10.1109/MWSYM.2003.1212530
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 solenoid layout technique is used to increase the magnetic coupling between the coils in multi-level spiral transformers. Using this technique, transformers with the following performance are measured: (a) magnetic coupling with coupling factor k>0.95 and insertion loss s(21) better than 0.8dB at 5GHz; (b) self-resonant frequency f(res)>15GHz with peak Q>10. The effect of high and low resistive substrates is discussed with measured results. Using this structure, the size of the transformer can be reduced from 50 to 400%.
引用
收藏
页码:967 / 970
页数:4
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