SOLT calibration method and its application to radio-frequency measurement

The sources of errors in the vector network analyzer measurements are presented, and a total of 12 errors for two-port SOLT calibration are shown, then the actual device S-parameters are derived from the measured S-parameters. The complete procedure for designing SOLT (short, open, load, thru) calibration standards is given, and we characterize the fringing capacitance of the open standard. In addition, we measure a 0603 inductor and a 0603 capacitor using the PCB fixture designed before, then, we contrast the measurement data after calibration with that before calibration, extract their extrinsic models successfully. It is found that this method is effective for the fixture calibration for RF application.