Scalable compact circuit model for differential spiral transformers in CMOS RFICs

被引：30
|
作者：
Gao, Wei [1 ]
Rao, Chao [1 ]
Liu, Tao [1 ]
Yu, Zhiping [1 ]
机构：
[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2006年 / 53卷 / 09期
基金：
美国国家科学基金会;
关键词：
CMOS; differential spiral transformers; radio frequency integrated circuits (RFIC); scalable compact model; 2-pi" subcircuits;
D O I：
10.1109/TED.2006.880230
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 new compact circuit model for differential spiral transformers in CMOS radio frequency integrated circuits (RFICs) is developed in this paper. The model consists of two coupled "2-pi" subcircuits for each inductor coil in the transformer. All the values of the circuit elements can be analytically calculated according to the process parameters and the device's geometric dimensions, making the model highly scalable and predictive. The model has very good accuracy as validated by comparison to a 2.5-dimensional full-wave numerical electromagnetic field solver.
引用
收藏
页码：2187 / 2194
页数：8
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