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本文介绍一种工作频段为10—100兆赫的高功率(1—1000瓦)自动网络分析仪的设计、校准和性能,这种分析仪是以六端口概念为基础的。测量反射系数Γ的幅度不精确度为0.0001,而相位不精确度为0.005/|Γ|度。相应的系统估值误差为0.001和0.1/|Γ|度。测量功率的不精确度为功率量程(20瓦、200瓦或1000瓦)的0.01％,其系统估值误差为读数的1.25％。
This article describes the design, calibration, and performance of a high-power (1-1000 watt) automatic network analyzer operating in the 10-100 MHz frequency range. This analyzer is based on the six-port concept. The magnitude inaccuracy of the measured reflection coefficient Γ was 0.0001 and the phase inaccuracy was 0.005 / | Γ | degrees. The corresponding systematic estimation error is 0.001 and 0.1 / | Γ | degrees. The inaccuracy of the measured power is 0.01% of the power range (20 W, 200 W or 1000 W) and the system evaluation error is 1.25% of the reading.