R3765/67G Series Network Analyzer Operation Manual
7.5 Calibration
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7.5.11 3-Port Full Calibration
This function calibrates the directivity, source matching, load matching, frequency tracking, and
isolation for a 3-port device.
This calibration method can be used only for the R3765CG and R3767CG equipped with OPT11
(built-in 3-port), OPT13 (Impedance: 75Ω, built-in 3-port) or OPT14 (4-port test set) individually.
There are two possible combinations for 3-port full calibrations as listed below when using OPT
14 with the R3765CG or R3767CG.
1. PORT1-PORT2-PORT3
2. PORT1-PORT2-PORT4
(1) The following four calibration standards are necessary:
• Open standard
• Short standard
• Load standard
* Two load standards are necessary for performing isolation calibration.
• Through standard
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