• All the buttons of the RESPONSE menu form a button selection group where the selection of any one button de-selects the other buttons.
RESPONSE Menu - 4-Port VNAs – Menu Variants
1. RESPONSE Menu – 4-Port VNA
• Option 041 – Noise Figure is not equipped.
2. RESPONSE Menu – 4-Port VNA
• Option 041 – Noise Figure is equipped.
• The VNA measurement mode at the APPLICATION men is set to Transmission/Reflection.
3. RESPONSE Menu – 4-Port VNA
• Option 041 – Noise Figure is equipped.
• The VNA measurement mode at the APPLICATION menu is set to Noise Figure.
• The User-Defined button is unavailable.
• The Mixed-Mode button is unavailable.
S11
Select sets the response to the input reflection coefficient (or S11 Forward Reflection) and de-selects all other buttons.
S12
Select sets the response to the reverse transmission coefficient (or S12 Reverse Transmission) and de-selects all other buttons.
S21
Select sets the response to the forward transmission coefficient (or S21 Forward Transmission) and de-selects all other buttons.
S22
Select sets the response to the output reflection coefficient (or S22 Reverse Reflection) and de-selects all other buttons.
More Single-Mode
Select de-selects other buttons and displays the SINGLE-MODE menu where 4-Port S-Parameters are selected from the following selections: S13, S14, S23, S24, S31, S32, S33, S34, S41, S42, S43, S44.
Select sets the response to a user-defined mathematical fraction, and displays the USER DEFINED menu to select S11, S12, S21, S22, or 1 (one) as a numerator over S11, S12, S21, S22, or 1 as the denominator. Select also de-selects all other buttons. This button is unavailable if the VNA measurement mode at the APPLICATION menu is set to Noise Figure. Option 041 must be equipped for Noise Figure.
Select de-selects all other menu buttons and displays the MIXED MODE dialog box for three general mixed-mode configurations of:
• Two differential pairs
• One differential pair and one singleton
• One differential pair and two singletons
The button field displays the currently selected mixed-mode settings where the SXXXX is the selected response type and numbers are the assigned port number.
This button is only present if Option 041 – Noise Figure is equipped on the VNA. If present, it is only available if the VNA application mode is set to Noise Figure. The application mode is set on the APPLICATION menu at:
If present and available, select de-selected all other response types and displays the NF RESPONSE menu, where the where the noise figure response type is selected.
