A physical-model of small-signal InP-based double heterojunction bipolar transistors and its parameter extraction technique 一种InP双异质结双极晶体管小信号物理模型及其提取方法
The operation principle of PHEMT and small-signal and large-signal model parameter extraction method for PHEMT model are presented in the paper, A brief introduction of the Foundry processes in MMIC is also made. 研究了PHEMT器件模型,明确了小信号、大信号模型参数的提取及模型建立。认识了PHEMT有源器件工作特性、模型参数表征及器件模型的建立,简单介绍了MMIC工艺流程。
The method to obtain the equivalent inductance of IM is proposed, and the small-signal model of the peak-current controlled IM-FAC converter is founded. Based on the presented small signal model, the parameter design of the compensator is accomplished. 提出IM中电感的等效方法,依据电感等效值和建立的峰值电流控制FAC变换器的小信号模型完成了采用峰值电流控制的IM-FAC变换器的小信号分析和补偿器设计。
Modeling and designing method of switching power supply based on small-signal modeling is applied in the control system, which optimizes the regulator parameter in this control system. 对于控制系统的设计,应用了基于小信号模型的开关电源的建模设计方法,优化了该电源电路控制环节的调节器参数。
Research power system small-signal stability and sensitivity analysis method to analysis generator excitation system model parameter affect on system stability. 研究了电力系统小干扰及其灵敏度分析用于寻找发电机励磁系统模型参数对系统稳定性的影响程度的方法。