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Hybrid small-signal π-model for the lateral NQS effect in SiGe HBTs
Published in Institute of Electrical and Electronics Engineers Inc.
Volume: 2016-November
Pages: 154 - 157
The state-of-the-art and π-models for the lateral non-quasi-static (NQS) effect are analyzed. The superiority of the π-model to capture the lateral NQS effect is demonstrated through small-signal simulations of both the models, implemented in Verilog-A. A hybrid model is proposed and a corresponding formulation of the base impedance is obtained. The equation gives the base impedance of the state-of-the-art as well as the π-model under appropriate conditions. The methodology to implement the hybrid model in Verilog-A is discussed. The hybrid model shows significantly higher accuracy than both the state-of-the-art model and the π-model when compared with the device simulation data. © 2016 IEEE.
About the journal
JournalData powered by TypesetProceedings of the IEEE Bipolar/BiCMOS Circuits and Technology Meeting
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open AccessNo
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