Impact of waveguide aperture dimensions and misalignment on the calibrated performance of a network analyzer from 140 to 325GHz
Impact of waveguide aperture dimensions and misalignment on the calibrated performance of a network analyzer from 140 to 325GHz
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DOI：
10.1109/arftg.2009.5278062
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发表时间：
2009-06
期刊：
影响因子：
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通讯作者：
L. B. Lok;S. Singh;A. Wilson;K. Elgaid
中科院分区：
文献类型：
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作者：
L. B. Lok;S. Singh;A. Wilson;K. Elgaid
我们给出了从140 GHz到325 GHz的矢量网络分析器的实验结果，该结果研究了波导孔径尺寸和失调对校准的电学性能的影响。结果表明，校准后的传输响应不受波导不规则性或孔径不对准的不利影响。相反，我们观察到，校准后的反射响应对这些机械缺陷更加敏感。我们的初步结果表明，在140 GHz以上工作的网络分析仪的校准精度可能会受到波导失调的较大影响。
We present experimental results from studying the impact of waveguide aperture dimensions and misalignment on the calibrated electrical performance of a vector network analyzer from 140 to 325GHz. It is shown that the calibrated transmission response is not adversely affected by waveguide irregularities or aperture misalignment. In contrast, we observed that the calibrated reflection response is much more sensitive to these mechanical imperfections. Our initial results suggest that waveguide misalignment may have a greater impact on the calibration accuracy of network analyzers operating beyond 140GHz.