Analysis and modeling of interstacked transformers for mm-wave applications

被引:8
|
作者
Ragonese, Egidio [1 ,2 ]
Sapone, Giuseppina [2 ]
Giammello, Vittorio [2 ]
Palmisano, Giuseppe [2 ]
机构
[1] STMicroelectronics, I-95121 Catania, Italy
[2] Univ Catania, Fac Ingn, DIEEI, I-95125 Catania, Italy
关键词
Integrated transformers; Magnetic coupling factor; mm-wave ICs; Modeling; Silicon technology;
D O I
10.1007/s10470-011-9822-3
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The analysis and modeling of monolithic interstacked transformers for mm-wave applications is addressed. The performance advantages of the interstacked structure are demonstrated by using the most important figures of merit for integrated transformers and a physic-based scalable lumped model is proposed. The model components are calculated with closed-form expressions that make use of geometrical and technological parameters. The accuracy of the proposed model is demonstrated by comparison with electromagnetic data in a wide frequency range. Maximum errors are below 5, 7.5, and 2% for magnetic coupling factor, quality factor, and self-resonance frequency, respectively. High accuracy is also achieved in the modeling of S-parameters up to the self-resonance frequency.
引用
收藏
页码:121 / 128
页数:8
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