Specifies the settings for time domain transform.
These commands are Superseded by the CALCulate:MEASure:TRANsform commands.
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CALCulate:TRANsform COUple: TIME: | CENTer | IMPulse | WIDTh | KBESsel | MARKer | MODE | UNIT | SPAN | STARt | STATe | STEP | RTIMe | STIMulus | STOP | [:TYPE] |
Click on a keyword to view the command details.
See Also
Critical Note: CALCulate commands act on the selected measurement. You can select one measurement for each channel using Calc:Par:MNUM or Calc:Par:Select.
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Specifies the time domain transform parameters to be coupled. The settings for those parameters will be copied from the selected measurement to all other measurements on the channel.
Learn more about Time Domain Trace Coupling |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
(Numeric) Parameters to couple. To specify more than one parameter, add the numbers. 1 - Transform Stimulus (Start, Stop, Center, and Span TIME settings.) 2 - Transform State (ON / OFF) 4 - Transform Window (Kaiser Beta / Impulse Width) 8 - Transform Mode (Low Pass Impulse, Low Pass Step, Band Pass) 16 - Transform Distance Marker Units |
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Examples |
'To couple all parameters: CALC:TRAN:COUP:PAR 31 'To couple Stimulus and Mode: |
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Query Syntax |
CALCulate<cnum>:TRANsform:COUPle:PARameters? |
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Return Type |
Numeric |
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29 (All parameters except 2 - Transform State) |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the center time for time domain measurements. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Center time in seconds; any number between: Note: This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information. |
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Examples |
CALC:TRAN:TIME:CENT 1e-8 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:CENTer? |
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Return Type |
Numeric |
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0 |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the impulse width for the transform window. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Impulse width in seconds; Choose any number between: |
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Examples |
CALC:TRAN:TIME:IMP:WIDTh 10 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:IMPulse:WIDTh? |
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Return Type |
Numeric |
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.98 / Default Span |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the parametric window for the Kaiser Bessel window. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Window width for Kaiser Bessel in seconds; Choose any number between: |
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Examples |
CALC:TRAN:TIME:KBES 10 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:KBESsel? |
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Return Type |
Numeric |
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6 |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Write-only) Sets the start frequencies in LowPass Mode. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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Examples |
CALC:TRAN:TIME:LPFR |
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Query Syntax |
Not applicable |
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Not applicable |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Specifies the measurement type in order to determine the correct marker distance.
This setting affects the display of ALL markers for only the ACTIVE measurement. Learn more about Distance Markers. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<char> |
Choose from: AUTO If the active measurement is an S-Parameter, automatically chooses reflection or transmission. If non S-Parameter measurements, reflection is chosen. REFLection Displays the distance from the source to the receiver divided by two (to compensate for the return trip.) TRANsmission Displays the distance from the source to the receiver. |
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Examples |
CALC:TRAN:TIME:MARK:MODE REFL |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:MARKer:MODE? |
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Return Type |
Character |
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Auto |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Specifies the unit of measure for the display of marker distance values. This settings affects the display of ALL markers for only the ACTIVE measurement (unless Distance Maker Units are coupled using CALC:TRAN:COUP:PAR. Learn more about Distance Markers. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<char> |
Choose from: METRs FEET INCHes |
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Examples |
CALC:TRAN:TIME:MARK:UNIT INCH |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:MARKer:UNIT? |
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Return Type |
Character |
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METRs |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the span time for time domain measurements. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Span time in seconds; any number between: Note: This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information. |
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Examples |
CALC:TRAN:TIME:SPAN 1e-8 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:SPAN? |
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Return Type |
Numeric |
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20 ns |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the start time for time domain measurements. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Start time in seconds; any number between: Note: This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information. |
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Examples |
CALC:TRAN:TIME:STAR 1e-8 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:STARt? |
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Return Type |
Numeric |
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-10 ns |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Turns the time domain transform capability ON or OFF. Note: Sweep type must be set to Linear Frequency in order to use Time Domain Transform. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<ON|OFF> |
ON (or 1) - turns time domain ON. |
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Examples |
CALC:TRAN:TIME:STAT ON |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:STATe? |
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Return Type |
Boolean (1 = ON, 0 = OFF) |
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OFF |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the stop time for time domain measurements. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Stop time in seconds; any number between: Note: This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information. |
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Examples |
CALC:TRAN:TIME:STOP 1e-8 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:STOP? |
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Return Type |
Numeric |
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10 ns |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the step rise time for the transform window. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<num> |
Rise time in seconds; Choose any number between: |
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Examples |
CALC:TRAN:TIME:STEP:RTIM 1e-8 |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:STEP:RTIMe? |
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Return Type |
Numeric |
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.99 / Default Span |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the type of simulated stimulus that will be incident on the DUT. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<char> |
Choose from: STEP can ONLY be used when CALC:TRAN:TIME:TYPE is set to LPASs (Lowpass). (STEP cannot be used with TYPE = BPASs.) :STIM STEP will set :TYPE to LPASs :TYPE BPASs will set :STIM to IMPulse |
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Examples |
CALC:TRAN:TIME:STIM STEP |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME:STIMulus? |
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Return Type |
Character |
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IMPulse |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Selects the way the PNA computes the DC value of the frequency-domain measurement. The correct DC value is required for inverse-FFT accuracy, and if not estimated properly, can cause distortions in the time-domain measurement in the form of an undesired slope in the waveform. |
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Parameters |
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<cnum> |
Channel number of the measurements to be listed. If unspecified, <cnum> is set to 1. |
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<enum> |
Choose from: LEGacy - The DC value is extrapolated using three data points. The transform offset is calculated using the delay of the first frequency point. This is the same algorithm used in the HP 8510 network analyzer. NORMalize - The DC value is extrapolated using three data points. The transform offset is set to zero at t=0 minus six rise-times. This mode requires that a good S-parameter calibration has been performed, which can be verified by observing a flat time-domain response at t=0 when measuring a load located at the physical point corresponding to t=0. Setting the time domain trace to zero at a time before t=0 stabilizes the trace for determining impedances after time t=0, resulting in improved behavior compared to Legacy mode. This method is similar to that used with PLTS, and is very useful in determining the time-domain-transform response of transmission lines and printed-circuit-board characteristics. |
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Examples |
CALC:TRAN:TIME:ALIG NORM |
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Return Type |
Enumeration |
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LEGacy |
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Applicable Models: N522xB, N523xB, N524xB, M937xA, P937xA (Read-Write) Sets the type of time domain measurement. |
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Parameters |
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<cnum> |
Channel number of the measurement. There must be a selected measurement on that channel. If unspecified, <cnum> is set to 1. |
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<char> |
Type of measurement. Choose from: BPASs can only be used when CALC:TRAN:TIME:STIM is set to IMPulse. (BPASs cannot be used with :STIM = STEP) :STIM STEP will set :TYPE to LPASs :TYPE BPASs will set :STIM to IMPulse |
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Examples |
CALC:TRAN:TIME LPAS |
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Query Syntax |
CALCulate<cnum>:TRANsform:TIME[:TYPE]? |
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Return Type |
Character |
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BPAS |
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