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Large Signal Evaluation of Nonlinear HBT Model
Iltcho ANGELOV Akira INOUE Shinsuke WATANABE
IEICE TRANSACTIONS on Electronics
Publication Date: 2008/07/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Heterostructure Microelectronics with TWHM 2007)
Category: GaAs- and InP-Based Devices
HBT, large signal model, bipolar transistor models, nonlinear circuits,
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The performance of recently developed Large Signal (LS) HBT model was evaluated with extensive LS measurements like Power spectrum, Load pull and Inter-modulation investigations. Proposed model has adopted temperature dependent leakage resistance and a simplified capacitance models. The model was implemented in ADS as SDD. Important feature of the model is that the main model parameters are taken directly from measurements in rather simple and understandable way. Results show good accuracy despite the simplicity of the model. To our knowledge the HBT model is one of a few HBT models which can handle high current & Power HBT devices, with significantly less model parameters with good accuracy.