Federal Department of Justice and Police FDJP Federal Office of Metrology METAS VNA Tools II in the lab practical aspects European Metrology workshop (inrim, Torino) Juerg Ruefenacht Michael Wollensack 25.- 27. May 2011
VNA Tools II topics The graphical user interface (GUI) The multistep measurement process Project examples VNA Data Explorer (data visualisation only) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 2
The graphical user interface (GUI) live demo METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 3
Multistep measurement process The multistep measurement process Basic influence parameters with uncertainties S-parameter data with uncertainties METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 4
Specify: instrument settings (VNA hardware) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 5
Collect: settings, actions and measurement data Measurement Journal (time stamps log file of the complete measurement process) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 6
Define: type of calibration (1/3) Calibration Config (first action: new calibration configuration) Calibration types: OnePort SOLT GSOLT QSOLT UnkwnownThru TRL Optimization METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 7
Assign: measurement data standard definitions (2/3) Calibration Config METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 8
Calculate: Error Terms (3/3) Calibration Config METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 9
Correct: the raw measurement data Error Correction (Error correction of all data located in the raw measurements path) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 10
Visualisation / Comparison / Data Analysis (1/3) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 11
Visualisation / Comparison / Data Analysis (2/3) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 12
Visualisation / Comparison / Data Analysis (3/3) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 13
VNA Tools II project examples 1-Port Calibration 2-Port Calibration (SOLT vs Unknown Thru) 3-Port Calibration (if time is left) live demo METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 14
VNA Data Explorer METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 15
Conclusions VNA expert application including uncertainty propagation High flexibility - Expert Tool Allows to directly compare different types of calibration Powerful visualisation for data analysis Data processing tools (including uncertainty data) (Math / cascade / merge / mean / circle fit / interpolate ) METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 16
Federal Department of Justice and Police FDJP Federal Office of Metrology METAS Thank you very much for your attention! METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 17
METAS Juerg Ruefenacht + Michael Wollensack European Metrology workshop, Torino 25.-27. May 2011 slide 18