功率FET大信号负载牵引测试系统研制

Development Of test system of power FET lavge signal load pulling

介绍大信号负载牵引测试简况、负载牵引测试的目的和意义、本系统的主要技术指标、技术途径和方案选择、测试软件流程图、测试结果举例，简述本课题的关键技术及主要工作，以及保证测试系统稳定可靠工作所采取的措施。最后进行了误差分析，介绍了应用实例。

The large signal pulling test is of great importace to the research ofthe microwave power transister.In this paper,the technical way,scheme and spec-ification and some test results of the measuring system are firstly introduced.Thenthe key technique,the software flow diagram and the measures to ensure the sys-tem stability discussed.Finally,the error analysis,and an application example ofthis measuring system are given in detail.