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Traceable calibration of Vector Signal Analyzers

机译:矢量信号分析仪的可追溯校准

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We have developed a calibration technique for Vector Signal Analyzers (VSA) that provides traceability to primary standards. This technique has been implemented using standard commercial equipment. A multisine signal generator provides detailed magnitude and phase stimulus over the instrument bandwidth and a Digital Sampling Oscilloscope (DSO) measures the same multisine waveform. Traceability is provided via the DSO, calibrated against the primary standard (Electro-Optic Sampler). The VSA can be characterized over its full-bandwidth (magnitude and phase) at any operating frequency. The reproducibility of three different multi-sine measurements, averaged over an 80 MHz bandwidth was 3.4% (power) and 1.3 degrees (phase).
机译:我们已经开发了用于矢量信号分析仪(VSA)的校准技术,该技术可追溯到主要标准。该技术已使用标准的商业设备实施。多正弦波信号发生器在仪器带宽上提供详细的幅度和相位激励,数字采样示波器(DSO)测量相同的多正弦波波形。可追溯性通过DSO提供,并根据主要标准(光电采样器)进行了校准。 VSA可以在任何工作频率下通过其全带宽(幅度和相位)进行表征。在80 MHz带宽上平均的三种不同的多正弦测量的可重复性分别为3.4%(功率)和1.3度(相位)。

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