Frequency-independent equivalent-circuit model for on-chip spiral inductors

被引：262

作者：

Cao, Y ^{[1
]}

Groves, RA

Huang, XJ

Zamdmer, ND

Plouchart, JO

Wachnik, RA

King, TJ

Hu, CM

机构：

[1] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA

[2] Rambus Inc, Los Altos, CA 94022 USA

[3] IBM Corp, Microelect Div, Hopewell Jct, NY 12533 USA

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2003年 / 38卷 / 03期

关键词：

circuit model; current-crowding effect; frequency dependence; quality factor; spiral inductor; 2-II;

D O I：

10.1109/JSSC.2002.808285

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 wide-band physical and scalable 2-Pi equivalent circuit model for on-chip spiral inductors is developed. Based on physical derivation and circuit theory, closed-form formulas are generated to calculate the RLC circuit elements directly from the inductor layout. The 2-Pi model accurately captures R(f) and L(f) characteristics beyond the self-resonant frequency. Using frequency-independent RLC elements, this new model is fully compatible with both ac and transient analysis. Verification with measurement data from a SiGe process demonstrates accurate performance prediction and excellent scalability for a wide range of inductor configurations.

引用

页码：419 / 426

页数：8

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