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基于设备结构的多细胞HBT设备的建模.

Haoyi Zhao1, Jun Liu1, Tao Rong1

  • 1Innovation Center for Electronic Design Automation Technology, Hangzhou Dianzi University, Hangzhou 310018, China.

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概括

本研究提出了一种新的线性小信号模型,用于用于无线电频率 (RF) 功率放大器的多细胞异极连接双极晶体管 (HBT),这对于射频 (RF) 功率放大器至关重要. 该模型提高了RF电路设计和功率放大器优化精度.

关键词:
在HBT设备建模模型中.直流的特点直流的特点.大信号验证验证多细胞装置的多细胞装置.无线电频率的特征 无线电频率的特征无线电频率寄生虫提取方法

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科学领域:

  • 电气工程 电气工程
  • 半导体设备物理 半导体设备物理

背景情况:

  • 多细胞异质连接双极晶体管 (HBT) 是无线电频率 (RF) 功率放大器中的重要组件.
  • 精确的设备建模对于优化射频电路性能和可靠性至关重要.

研究的目的:

  • 解决多细胞HBTs的建模挑战.
  • 提出一种创新的线性小信号建模方法,以提高射频应用中的精度.

主要方法:

  • 根据设备布局构建了一个同等的电路模型,其中包含了基于设备布局的外围寄生参数.
  • 采用一步一步的参数提取方法,专注于和电流,温度系数,热电阻和连接电容.
  • 分析了设备布局特征,以考虑多细胞结构中的寄生效应.

主要成果:

  • 在零偏差条件下,从0.7-25 GHz达到1.66%以下的输入/输出反射系数误差.
  • 与直接并行的单细胞模型相比,显著提高了模型准确性.
  • 验证了模型,功率模拟结果与2.6GHz和3.5GHz的测量数据密切匹配.

结论:

  • 开发的建模方法大大提高了RF电路设计的多细胞HBT模型的准确性.
  • 这种方法为优化高功率放大器性能提供了有效的工具.