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Calibration-measurement unit for the automation of vector network analyzer measurements

机译：矢量网络分析仪测量自动化的校准测量单元

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摘要

With the availability of multi-port vector network analyzers, the need for automated, calibrated measurement facilities increases. In this contribution, a calibrationmeasurement unit is presented which realizes a repeatable automated calibration of the measurement setup as well as a user-friendly measurement of the device under test (DUT). In difference to commercially available calibration units, which are connected to the ports of the vector network analyzer preceding a measurement and which are then removed so that the DUT can be connected, the presented calibrationmeasurement unit is permanently connected to the ports of the VNA for the calibration as well as for the measurement of the DUT. This helps to simplify the calibrated measurement of complex scattering parameters. Moreover, a full integration of the calibration unit into the analyzer setup becomes possible. The calibration-measurement unit is based on a multiport switch setup of e.g. electromechanical relays. Under the assumption of symmetry of a switch, on the one hand the unit realizes the connection of calibration standards like one-port reflection standards and two-port through connections between different ports and on the other hand it enables the connection of the DUT. The calibration-measurement unit is applicable for two-port VNAs as well as for multiport VNAs. For the calibration of the unit, methods with completely known calibration standards like SOLT (short, open, load, through) as well as self-calibration procedures like TMR or TLR can be applied. © Author(s) 2008.
机译：随着多端口矢量网络分析仪的推出，对自动化的，经过校准的测量设备的需求不断增加。在本文中，提供了一个校准测量单元，该单元可实现测量设置的可重复自动校准以及被测设备（DUT）的用户友好测量。与在测量之前连接到矢量网络分析仪端口并随后被移除以便可以连接DUT的市售校准单元不同，所提供的校准测量单元永久连接到VNA的端口，用于校准以及DUT的测量。这有助于简化复杂散射参数的校准测量。此外，可以将校准单元完全集成到分析仪设置中。校准测量单元基于多端口开关设置，例如机电继电器。在开关对称的假设下，一方面，该单元通过不同端口之间的连接来实现诸如一端口反射标准和两端口之类的校准标准的连接，另一方面，其使得能够实现DUT的连接。校准测量单元适用于两端口VNA和多端口VNA。对于设备的校准，可以使用具有完全已知的校准标准的方法，例如SOLT（短路，断开，负载，通过）以及自校准过程，例如TMR或TLR。 ©作者2008。

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    Rolfes I.; Will B.; Schiek B.;

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