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适用于 PNA-X 系列网络分析仪的 S93111A 有源热参数选件可以测试热 S 参数、增益和输出功率等参数，比使用 X 参数技术的传统方法更精准。它可以消除有源器件和系统的相互影响，因而能够在标称 50 欧姆的环境中精确计算有源参数和输出功率。这种先进理论解决了系统与系统之间的相关性问题。它还提供了方程系数，以便精确计算线性和非线性器件的性能，包括最佳伽马值、理想负载匹配，以及可以向理想负载提供的最大功率。它提供总共 14 种迹线（参数），包括各种扫描类型，例如频率扫描、功率扫描或二维频率与功率扫描。S93111A 的工作频率限制在 50 GHz 内。它需要 PNA-X 型号的 4 端口配置（N524xB 选件 401、417、419、422、423 和 425（LFE））。使用选件 425 时，S93111A 可以从 10 MHz 开始运行，但是不支持 LFE 硬件。
