The figure below shows Response 2-Port Menu Set when Option 041 – Noise Figure Measurement is installed.
Response Menu Set - 2-Port VNAs
1. RESPONSE Menu
• The Noise Figure button is not present if Noise Figure Option 041 is not installed.
• The button is present but not available if Option 041 is installed and the instrument mode on the APPLICATION menu is set as Transmission/Reflection.
2. USER-DEFINED Menu
3. NUMERATOR Menu
4. DENOMINATOR Menu
5. MIXED-MODE Menu
6. If Noise Figure mode has been set on the APPLICATION menu, this button is unavailable and grayed out.EXT. ANALOG IN 1 Menu
• 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 - 2-Port VNAs
1. RESPONSE Menu – 2-Port VNA
• Option 041 – Noise Figure is not equipped.
2. RESPONSE Menu – 2-Port VNA
• Option 041 – Noise Figure is equipped.
• The VNA measurement mode at the APPLICATION men is set to Transmission/Reflection.
3. RESPONSE Menu – 2-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 (Response)
Select sets the response to the input reflection coefficient (or S11 Forward Reflection) and de-selects S12, S21, S22, User-defined, Mixed-Mode, Ext. Analog In 1, and Ext. Analog In 2.
S12 (Response)
Select sets the response to the reverse transmission coefficient (or S12 Reverse Transmission) and de-selects S12, S21, S22, User-defined, Mixed-Mode, Ext. Analog In 1, and Ext. Analog In 2.
S21 (Response)
Select sets the response to the forward transmission coefficient (or S21 Forward Transmission) and de-selects S12, S21, S22, User-defined, Mixed-Mode, Ext. Analog In 1, and Ext. Analog In 2.
S22 (Response)
Select sets the response to the output reflection coefficient (or S22 Reverse Reflection) and de-selects S12, S21, S22, User-defined, Mixed-Mode, Ext. Analog In 1, and Ext. Analog In 2.
User-defined (Response)
Select displays the USER-DEFINED menu and sets the response to a user-defined mathematical fraction by using the USERDEFINED 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 S12, S21, S22, Mixed-Mode, Ext. Analog In 1, and Ext. Analog In 2. 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 displays the MIXED-MODE menu where mixed-mode response options of SDD, SCC, SDC, and SCD are available with a Port Pair assignment of either 1:2 or 2:1. Select also de-selects S12, S21, S22, User-Defined, Ext. Analog In 1, and Ext. Analog In 2. 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.
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:
