| 摘要 |
It is possible to calibrate a measurement system for circuit parameters of a DUT (device under test) by reducing the number of attachments and detachments of calibration kits. An error factor acquisition device includes: a first calibrator ( 100 ) connected to ports ( 18, 28 ) of a network analyzer and having a first state realization unit ( 120 ) for realizing open-circuit, short-circuit, and standard load states for the ports ( 18, 28 ) or short-circuiting the ports ( 18, 28 ); and second calibrators ( 200 ) connected to the first calibrator ( 100 ) and the DUT ( 400 ) and respectively having a second state realization unit ( 220 ) for realizing open-circuit, short-circuit, and standard load states for the ports ( 18, 28 ). The first calibrator ( 100 ) includes first connection units ( 110 a, 110 b) for connecting the ports ( 18, 28 ) to the first state realization unit ( 120 ) or to the respective second calibrators ( 200 ) while the second calibrators ( 200 ) respectively include a second connection unit ( 210 ) for connecting the ports ( 18, 28 ) to the second state realization unit ( 220 ) or to the DUT ( 400 ).
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