一套大型微波集成电路与互连系统仿真软件──清华微波SPICE

Simulation software for microwave integrated circuits and interconnections: Tsinghua microwave SPICE

介绍了在通用电路模拟软件ＳＰＩＣＥ３ｅ２源程序的基础上，针对微波电路与互连系统的分析特点所作的改进，经过多年的努力而研制成功的一套大型微波集成电路与互连系统仿真软件：清华微波ＳＰＩＣＥ。其核心技术包括：微波无源元件的建模及其在节点法软件中的内嵌；任意无源网络（包括互连线）的时域分析；进行电磁场分析时电路分析的加速；电原理图编辑器的研制。清华微波ＳＰＩＣＥ在微带不均匀区模型及互连系统的时域分析方面具有很高精度，是一部大型微波集成电路与互连系统仿真软件，具有很好的应用前景。

The design of microwave integrated circuits is more and more dependent on CADsoftware and the analysis of interconnection is urgently calling for software tool. This paperdescribes our many years work on the simulation software for microwave integrated circuitsand interconnections: Tsinghua microwave SPICE (TMS), which, based on the sourcecodes of SPICE 3e2, the general purpose circuit simulator, includes many special features formicrowave circuits and interconnection. The essential techniques include models ofmicrowave passive elements and their embedding into nodal analysis software, time domainanalysis of arbitrary passive network (including interconnection ), acceleration of circuitanalysis when applied in electromagnetic analysis, the design of the schematic editor.Microstrip discontinuity models and the time domain analysis ability in TMS have highaccuracy. TMS, as a powerful simulation software for microwave integrated circuits andinterconnections, is expecting more real design application.