首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Large-Signal Modeling Methodology for GaN HEMTs for RF Switching-Mode Power Amplifiers Design
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Large-Signal Modeling Methodology for GaN HEMTs for RF Switching-Mode Power Amplifiers Design

机译:GaN HEMT的大信号建模方法,用于射频开关模式功率放大器设计

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摘要

A large-signal model for GaN HEMT transistor suitable for designing radio frequency power amplifiers (PAs) is presented along with its parameters extraction procedure. This model is relatively easy to construct and implement in CAD software since it requires only DC and S-parameter measurements. The modeling procedure was applied to a 4-W packaged GaN-on-Si HEMT, and the developed model is validated by comparing its small- and large-signal simulation to measured data. The model has been employed for designing a switching-mode inverse class-F PA. Very good agreement between the amplifier simulation and measurement shows the validity of the model.
机译:提出了适用于设计射频功率放大器(PA)的GaN HEMT晶体管大信号模型及其参数提取过程。由于该模型仅需要DC和S参数测量,因此相对容易在CAD软件中构建和实施。将建模过程应用于4W封装的GaN-on-Si HEMT,并通过将其小信号和大信号仿真与测量数据进行比较来验证所开发的模型。该模型已被用于设计开关模式反向F类PA。放大器仿真和测量之间的很好一致性表明了该模型的有效性。

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