| Citation: |
Lu Lei, Zhou Feng, Tang Zhangwen, Min Hao, Wang Junyu. Equivalent Model and Parameter Extraction of Center-Tapped Differential Inductors[J]. Journal of Semiconductors, 2006, In Press.
Lu L, Zhou F, Tang Z W, Min H, Wang J Y. Equivalent Model and Parameter Extraction of Center-Tapped Differential Inductors[J]. Chin. J. Semicond., 2006, 27(12): 2150.
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Equivalent Model and Parameter Extraction of Center-Tapped Differential Inductors
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Abstract
We propose a center-tapped equivalent model for center-tapped differential inductors.The single-ended and differential impedances in differential applications are derived.A 2-port S-parameter measurement with the center-tap grounded is used to extract the equivalent resistance,inductance,and Q-factor (RLQ).A multi-layer center-tapped differential inductor is implemented in a 0.35μm 1P4M RF CMOS process.The proposed model agrees well with the experimental results below the self-resonance frequency. -
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