| Wu Zhongjie( 吴忠洁),Lu Jingxue,Huang Fengyi,Jiang Nan.[J].高技术通讯(英文),2012,18(2):124~127 |
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| Analysis of characteristic functions forequivalent circuit model in monolithic transformer① |
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| DOI： |
| 中文关键词: |
| 英文关键词: transformer, parameter extraction, compact model, radio frequency integrate circuit((RFIC) |
| 基金项目: |
| Author Name | Affiliation | | Wu Zhongjie( 吴忠洁) | | | Lu Jingxue | | | Huang Fengyi | | | Jiang Nan | |
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| 中文摘要: |
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| 英文摘要: |
| A model of monolithic transformers is presented, which is analyzed with characteristic functions. A closed-form analytical approach to extract all the model parameters for the equivalent circuit of Si-based on-chip transformers is proposed. A novel de-coupling technique is first developed to reduce the complexity in the Y parameters for the transformer, and the model parameters can then be extracted analytically by a set of characteristic functions. Simulation based on the extracted parameters has been carried out for transformers with different structures, and good accuracy is obtained compared to a 3-demensional full-wave numerical electro-magnetic field solver. The presented approach will be very useful to provide a scalable and wide-band compact circuit model for Si-based RF transformers. |
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