These commands are used to control the Automatic Fixture Removal (AFR) capabilities in the VNA.
AFR: ADVanced: | DUTGate | MANual | [:STATe] | REFLection | MANual | [:STATe] FIXTure: | ADVanced | MCONversion | [:STATe] | RESet | TIME | STARt | STOP | WINDow | MANual | [:STATe] | INPuts | PREView | DATA | REFZ | SET | SYSZ | [:STATe] | USE | THRUs | [:STATe] SAVE: | FILename | IMPedance | NORMalize | [:STATe] | PORTs | TYPE STANdard: | DATA | EDIT: | FLENgth | GATE | METHod | LOAD | MEASure | THRU | USE |
Click on a keyword to view the command details.
See Also
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) Gets or sets the DUT gate coefficient. |
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Parameters |
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<numl> |
Coefficient |
Examples |
AFR:ADVanced:DUTGate:COEFficient 3.6 |
Query Syntax |
AFR:ADVanced:DUTGate:COEFficient? |
Return Type |
String |
Default |
3.6 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) Turns ON or OFF AFR DUTGate |
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Parameters |
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<booll> |
Choose from: ON (or 1) - Turns AFR DUTGate on. OFF (or 0) - Turns AFR DUTGate off. |
Examples |
AFR:ADVanced:DUTGate:MANual ON |
Query Syntax |
AFR:ADVanced:DUTGate:MANual? |
Return Type |
Boolean |
Default |
OFF or 0 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) Turns ON or OFF AFR DUTGate Only Reflection Option |
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Parameters |
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<booll> |
Choose from: ON (or 1) - Turns AFR DUTGate Only Reflection on. OFF (or 0) - Turns AFR DUTGate Only Reflection off. |
Examples |
AFR:ADVanced:DUTGate:REFLection:MANual ON |
Query Syntax |
AFR:ADVanced:DUTGate:REFLection:MANual? |
Return Type |
Boolean |
Default |
ON or 1 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command turns ON or OFF AFR mode conversion. |
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Parameters |
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<bool> |
Choose from: ON (or 1) - Turns mode conversion on. OFF (or 0) - Turns mode conversion off. |
Examples |
AFR:ADVanced:MCONversion ON |
Query Syntax |
AFR:ADVanced:MCONversion[:STATe]? |
Return Type |
Boolean |
Default |
ON |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Write-only) This command resets the AFR configuration. |
|
Parameters |
None |
Examples |
AFR:ADVanced:RESet5 |
Query Syntax |
Not Applicable |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command gets or sets the manual start time in the AFR configuration. |
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Parameters |
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<num> |
Start time in ns. |
Examples |
AFR:ADVanced:TIME:STARt -0.2 |
Query Syntax |
:AFR:ADVanced:TIME:STARt? |
Return Type |
Numeric |
Default |
-0.2 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command gets or sets the manual stop time in the AFR configuration. |
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Parameters |
|
<num> |
Stop time in ns. |
Examples |
AFR:ADVanced:TIME:STOP 5.0 |
Query Syntax |
:AFR:ADVanced:TIME:STOP? |
Return Type |
Numeric |
Default |
5 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command gets or sets the manual window type in AFR configuration. |
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Parameters |
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<char> |
Window coefficient. Choose from: MAXWin WIDWin NORMWin MINWin |
Examples |
AFR:ADVanced:WINDow:COEFficient WIDWin |
Query Syntax |
AFR:ADVanced:WINDow:COEFficient? |
Return Type |
String |
Default |
NORMWin |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command turns ON of OFF the manual window coefficient of the AFR. |
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Parameters |
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<bool> |
Choose from: ON (or 1) - Turns manual window coefficient on. OFF (or 0) - Turns manual window coefficient off. |
Examples |
AFR:ADVanced:MANual:STATe ON |
Query Syntax |
AFR:ADVanced:WINDow:MANual[:STATe]? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects whether the fixture is band limited or not. |
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Parameters |
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<bool> |
Band limited or not. Choose from: ON (or 1) - Band limited. OFF (or 0) - Not band limited. |
Examples |
AFR:FIXTure:BLIMited ON |
Query Syntax |
AFR:FIXTure:BLIMited? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects whether to use DUT correction or not when the characterization fixture is not equal to the DUT measurement fixture. |
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Parameters |
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<bool> |
DUT correction state. Choose from: ON (or 1) - Use DUT correction. OFF (or 0) - Do not use DUT correction. |
Examples |
AFR:FIXTure:CDUT ON |
Query Syntax |
AFR:FIXTure:CDUT? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects Fixture Length A not equal to B correction. |
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Parameters |
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<bool> |
Correction match state. Choose from: ON (or 1) - Correct. OFF (or 0) - Do not correct. |
Examples |
AFR:FIXTure:CLENgth ON |
Query Syntax |
AFR:FIXTure:CLENgth? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects Fixture Match A not equal to B correction. |
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Parameters |
|
<bool> |
Correction match state. Choose from: ON (or 1) - Correct. OFF (or 0) - Do not correct. |
Examples |
AFR:FIXTure:CMATch ON |
Query Syntax |
AFR:FIXTure:CMATch? |
Return Type |
Boolean |
Default |
ON |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command describes the fixture inputs (single ended or differential). |
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Parameters |
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<char> |
Choose from: SENDed - Single ended fixture inputs. DIFFerential - Differential fixture inputs. |
Examples |
AFR:FIXTure:INPuts SENDed |
Query Syntax |
AFR:FIXTure:INPuts? |
Return Type |
String |
Default |
SENDed |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects the number of fixtures to be characterized. |
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Parameters |
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<num> |
Choose from 1, 2, or 4. |
Examples |
AFR:FIXTure:MEASurement 2 |
Query Syntax |
AFR:FIXTure:MEASurement? |
Return Type |
Numeric |
Default |
2 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Write-only) This command refreshes preview data. It is required that this command be sent before a query gate, fixture length, and impedance data. |
|
Parameters |
None |
Examples |
AFR:STANdard:EDIT:GATE AFIX,0.485 |
Query Syntax |
Not Applicable |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-only) This command reads the impedance profile of the calculated fixture model. |
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Parameters |
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<char_param> |
Selected impedance term. Choose from: ASENded - Single-Ended ZA BSENded - Single-Ended ZB ADIFf - Differential ZA BDIFf - Differential ZB ACOMm - Common mode ZA BCOMm - Common mode ZB |
Examples |
AFR:FIXTure:PREView:DATA:IMPedance? ADIF |
Return Type |
Block Data |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-only) This command reads the impedance profile of the calculated fixture model at a specified position. |
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Parameters |
|
<char_param> |
Selected impedance term. Choose from: ASENded - Single-Ended ZA BSENded - Single-Ended ZB ADIFf - Differential ZA BDIFf - Differential ZB ACOMm - Common mode ZA BCOMm - Common mode ZB |
<num_x> |
The X-axis position (ns), where the Y-axis value will be returned. |
Examples |
AFR:FIXTure:PREView:DATA:IMPedance:MARKer:Y? ADIF,0.5 |
Return Type |
Numeric |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command chooses the calibration reference Z0 after fixture removal. |
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Parameters |
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<char> |
Choose from: SYSZ- System Z0. MEAZ - Measured fixture Z0. CUSTom - User input. |
<num> |
Optional argument. If <char> is set to CUST, this is the user input vale for Z0. |
Examples |
AFR:FIXTure:REFZ SYSZ AFR:FIXTure:REFZ CUST,52.0 |
Query Syntax |
AFR:FIXTure:REFZ? |
Return Type |
String (SYSZ, MEAZ, or CUST) |
Default |
SYSZ |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command sets "System Z0" to Calibration Reference Z0. |
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Parameters |
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<bool> |
Choose from: ON (or 1) - Sets "System Z0" to Calibration Reference Z0. OFF (or 0) - Do not set "System Z0" to Calibration Reference Z0. |
Examples |
AFR:FIXTure:SET:SYSZ ON |
Query Syntax |
AFR:FIXTure:SET:SYSZ[:STATe]? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command specifies whether thrus are used in case of multi-port fixtures. |
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Parameters |
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<bool> |
Choose from: ON (or 1) - Use thrus. OFF (or 0) - Do not use thrus. |
Examples |
AFR:FIXTure:USE:THRUs ON |
Query Syntax |
AFR:FIXTure:USE:THRUs[:STATe]? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Write-only) Restores the default AFR settings. |
|
Parameters |
None |
Examples |
AFR:INIT |
Query Syntax |
Not Applicable |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command specifies the file paths of saved fixture data. |
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Parameters |
|
<string> |
Fixture A path. |
<string> |
Fixture B path. |
Examples |
AFR:SAVE:FILename 'C:\fixA.s2p','C:\fixB.s2p' |
Query Syntax |
AFR:SAVE:FILename? |
Return Type |
String |
Default |
"C:\fixA.s2p,C:\fixB.s2p" |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Write-only) This command specifies whether the port impedances are normalized in saving the AFR fixture files. |
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Parameters |
|
<bool> |
Choose from: ON (or 1) - Normalize the port impedances when they are not equal. OFF (or 0) - Do not normalize the port impedances. |
Examples |
AFR:SAVE:IMPedance:NORMalize 1 |
Return Type |
Not Applicable |
Default |
ON |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command assigns the ports for saved fixture data in several formats. |
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Parameters |
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<char> |
Port assignment. Choose from: PLTS - PLTS format. VNA - VNA format. ADS - ADS format. |
Examples |
AFR:SAVE:PORTs VNA |
Query Syntax |
AFR:SAVE:PORTs? |
Return Type |
String |
Default |
VNA |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command sets the file type to save fixture data. |
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Parameters |
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<char> |
Impedance method. Choose from: TSONe - Touchstone file type. TSTWo - Touchstone 2 file type. CITifile - Citifile file type. |
Examples |
AFR:SAVE:TYPE TSONe |
Query Syntax |
AFR:SAVE:TYPE? |
Return Type |
String |
Default |
TSONe |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects all OPEN standards. |
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Parameters |
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<bool> |
Select all OPEN standards or not. Choose from: ON (or 1) - Use all OPEN standards. OFF (or 0) - Do not use all OPEN standards. |
Examples |
AFR:STANdard:ALLOpen ON |
Query Syntax |
AFR:STANdard:ALLOpen? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command selects all SHORT standards. |
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Parameters |
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<bool> |
Select all SHORT standards or not. Choose from: ON (or 1) - Use all SHORT standards. OFF (or 0) - Do not use all SHORT standards. |
Examples |
AFR:STANdard:ALLShort ON |
Query Syntax |
AFR:STANdard:ALLShort? |
Return Type |
Boolean |
Default |
OFF |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-only) This command reads the impedance profile of the measured standard. |
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Parameters |
|
<char_std> |
Selected standard. Choose from: THRU - 2X Thru STHRu - Second 2X Thru FDUT - Fixtured DUT AOPen - Fixture A Open BOPen - Fixture B Open ASHort - Fixture A Short BSHort - Fixture B Short |
<char_param> |
Selected impedance term. Choose from: ASENded - Single-Ended ZA BSENded - Single-Ended ZB ADIFf - Differential ZA BDIFf - Differential ZB ACOMm - Common mode ZA BCOMm - Common mode ZB |
Examples |
AFR:STANdard:DATA:IMPedance? AOP,ADIF |
Return Type |
Block Data |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-only) This command reads the impedance of the measured standard at a specified position. |
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Parameters |
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<char_std> |
Selected standard. Choose from: THRU - 2X Thru STHRu - Second 2X Thru FDUT - Fixtured DUT AOPen - Fixture A Open BOPen - Fixture B Open ASHort - Fixture A Short BSHort - Fixture B Short |
<char_param> |
Selected impedance term. Choose from: ASENded - Single-Ended ZA BSENded - Single-Ended ZB ADIFf - Differential ZA BDIFf - Differential ZB ACOMm - Common mode ZA BCOMm - Common mode ZB |
<num_x> |
The X-axis position (ns), where the Y-axis value will be returned. |
Examples |
AFR:STANdard:DATA:IMPedance:MARKer:Y? AOP,ADIF,0.5 |
Return Type |
Numeric |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) For the selected fixture, this command reads the fixture length for both 1X or 2X AFR, or sets the fixture length for 1X AFR. Note: After setting fixture length to a new value, the preview command must be sent to apply the value. |
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Parameters |
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<char> |
Selected fixture. Choose from: AFIXture - Fixture A. BFIXture - Fixture B. |
<num> |
Fixture length value. Unit is ns. |
Examples |
AFR:STANdard:EDIT:FLENgth AFIX,0.3273 |
Query Syntax |
AFR:STANdard:EDIT:FLENgth? AFIX |
Return Type |
Numeric |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command sets or reads the gate position for the selected fixture. Note: After setting a new gate position, the preview command must be sent to apply the new position. |
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Parameters |
|
<char> |
Selected fixture. Choose from: AFIXture - Fixture A. BFIXture - Fixture B. |
<num> |
Gate position value. Unit is ns. |
Examples |
AFR:STANdard:EDIT:GATE AFIX,0.485 |
Query Syntax |
AFR:STANdard:EDIT:GATE? AFIX |
Return Type |
Numeric |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Write-only) This command sets the impedance for the selected term. |
|
Parameters |
|
<char> |
Impedance term. Choose from: ASENded - Single-Ended ZA. BSENded - Single-Ended ZB. ADIFf - Differential ZA. BDIFf - Differential ZB. ACOMm - Common mode ZA. BCOMm - Common mode ZB. |
<num> |
Impedance value. Unit is Ohms. |
Examples |
AFR:STANdard:EDIT:IMPedance ASEN,52.5 |
Default |
ASENded, 50 |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command sets the impedance method. |
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Parameters |
|
<char> |
Impedance method. Choose from: DEFault AUTO USER |
Examples |
AFR:STANdard:EDIT:IMPedance:METHod AUTO |
Query Syntax |
AFR:STANdard:EDIT:IMPedance:METHod? |
Return Type |
Character |
Default |
DEFault |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command loads the calibration standards data from a file. |
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Parameters |
|
<char> |
Standards type. Choose from: THRU- 2X Thru. STHRu - Second 2X Thru. FDUT - Fixtured DUT. AOPen - Fixture A Open. BOPen - Fixture B Open. ASHort - Fixture A Short. BSHort - Fixture B Short. |
<string> |
File path of existing measurement data (touchstone 1.0, touchstone 2.0, or citifile). |
Examples |
AFR:STANdard:LOAD AOPen,'C:\open.s1p' |
Query Syntax |
AFR:STANdard:LOAD? AOPen |
Return Type |
String |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Write-only) This command measures the calibration standards. |
|
Parameters |
|
<char> |
Standards type. Choose from: THRU- 2X Thru. STHRu - Second 2X Thru. FDUT - Fixtured DUT. AOPen - Fixture A Open. BOPen - Fixture B Open. ASHort - Fixture A Short. BSHort - Fixture B Short. <p1> - Mapped PNA Port 1. Optional parameter. <p2> - Mapped PNA Port 2. Optional parameter. <p3> - Mapped PNA Port 3. Optional parameter. <p4> - Mapped PNA Port 4. Optional parameter. |
Examples |
AFR:STANdard:MEASure AOPen |
Default |
Not Applicable |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command specifies fixture thru settings. |
|
Parameters |
|
<char> |
Thru type. Choose from: KNOWn - Known thru, flush thru, or user input length. UNKNown - Unknown thru length computed using reflects. |
<num> |
User input thru length. Default is 0. |
Examples |
AFR:STANdard:THRU KNOW,0 |
Query Syntax |
AFR:STANdard:THRU? |
Return Type |
String |
Default |
"KNOW,0" |
Applicable Models: All with Automatic Fixture Removal Option (S9x007A/B, 007) (Read-Write) This command chooses the calibration standards. |
|
Parameters |
|
<char> |
Choose from: THRU- 2X Thru. STHRu - Second 2X Thru. FDUT - Fixtured DUT. AOPen - Fixture A Open. BOPen - Fixture B Open. ASHort - Fixture A Short. BSHort - Fixture B Short. |
<bool> |
Use calibration standards or not. Choose from: ON (or 1) - Use calibration standards. OFF (or 0) - Do not use calibration standards. |
Examples |
AFR:STANdard:USE AOPen,ON |
Query Syntax |
AFR:STANdard:USE? |
Return Type |
String of used standards, separated by commas. For example, use AOPen and BOPen returns: "AOPen,BOPen" |
Default |
'THRU' - ON |