• MAIN | Calibration | CALIBRATION | Calibrate | CALIBRATE | AutoCal | AUTOCAL PORT | 2-Port Cal | AUTOCAL SETUP
AUTOCAL SETUP Menu – 2-Port Cal – 4-Port VNAs
Modify Cal Setup
Select displays the MODIFY 2-PORT AUTOCAL SETUP dialog box. The dialog box provides control settings for Auto Sense Module Orientation, Select Cal Type, Through Setup, Adapter Removal Port, and links to the THRU INFO and AIR EQUIVALENT LENGTH CALCULATOR dialog boxes.
Displays the Ports selected for the AutoCal procedure. The settings are determined in the MODIFY 2-PORT AUTOCAL SETUP dialog box.
Cal Type (Read Only)
Displays the Cal Type selected for the AutoCal procedure. The settings are determined in the MODIFY 2-PORT AUTOCAL SETUP dialog box.
Thru Type (Read Only)
Displays the Thru Type selected for the AutoCal procedure as Internal Thru, Internal Reciprocal, True Thru, or True Reciprocal. The settings are determined in the MODIFY 2-PORT AUTOCAL SETUP dialog box.
Module Orientation (Read Only)
Displays the left/right VNA Port orientation and assignment for the AutoCal procedure. Options are either Left=P1 Right =P2 or Left=P2 and Right=P1. The settings are determined in the MODIFY 2-PORT AUTOCAL SETUP dialog box.
Begin Cal (AutoCal 2-Port Cal) (2-Port VNAs)
Starts the AutoCal procedure. On-screen dialogs and prompts provide user instructions for the selected calibration procedure. When the calibration is complete, the display returns to the CALIBRATION [TR] menu when the Cal Status button is enabled and set to ON.
Use the MODIFY 2-PORT AUTOCAL SETUP dialog box to change the calibration parameters prior to an AutoCal calibration procedure. Options include the calibration and thru types to be used. If required, an adapter removal calibration can be configured. For production installations, the left/right port sense can be automatically or manually configured.
1. Through selected allows user entries for length, line impedance, line loss, and frequency. Reciprocal when selected allows user entries for length. S2P Thru selected provides buttons for loading, viewing, and characterization (to generate S2P files).
Auto Sense Module Orientation
The Auto Sense Module Orientation is not available for 2-Port AutoCal calibrations.
Cal A Configuration
The Cal A Configuration is auto-selected.
Select two ports for the Cal A configuration from either:
• Port 1
• Port 2
• Port 3
• Port 4.
Whichever two ports are not selected are auto selected for Cal B Configuration.
Cal A Configuration – Select Cal Type
Select calibration types from the following choices. Note that the 1 Path 2 Port choices depend on the ports selected above in Cal A Configuration. The examples below assume that Port 1 and Port 3 were selected above.
• Full 2 Port
• 1 Path 2 Port (1→3)
• 1 Path 2 Port (3→1)
Cal A Configuration – Through Setup
Select one of:
• Internal Thru
• Internal Reciprocal
• True Thru
• If True Thru is selected, the Thru Info button is available. Select displays the THRU INFO dialog box which is described in the section above.
The For Adapter Removal area and its controls are not available in 2-Port AutoCal Setup.
Cal A Manual Port Sense Configuration
The port sense configuration options are dependent on the ports selected above in Cal A Configuration. For example:
• If Port 1 and Port 3 were selected above, your choices are:
• Left = Port 1 and Right = Port 3
• Left = Port 3 and Right = Port 1
Cal B Configuration
The configuration auto selects whichever ports were not selected in Cal A Configuration.
Cal B Configuration – Select Cal Type
Select calibration types from the following choices. Note that the 1 Path 2 Port choices depend on the ports selected above in Cal A Configuration. The examples below assume that Port 1 and Port 3 were selected above and that the Cal B ports are Port 2 and Port 4.
• Full 2 Port
• 1 Path 2 Port (2→4)
• 1 Path 2 Port (4→2)
Cal B Configuration – Through Setup
Select one of:
• Internal Thru
• Internal Reciprocal
• True Thru
• If True Thru is selected, the Thru Info button is available. Select displays the THRU INFO dialog box.
