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R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

525

Ignored parameter, should be set to the default value 0.

<Meas.

Bandwidth>

Resolution bandwidth in the segment. See

[SENSe<Ch>:]SEGMent<Seg>:BWIDth[:RESolution].

Range [def. unit]

1.0E-6 Hz to 5 MHz [Hz].

SCPI,

Command

Types

Device-specific, no query.

Example:

SEGM:INS 1MHZ, 1.5MHZ, 111, -21DBM, 0.5S, 0, 10KHZ

Create a sweep segment with a sweep range between 1.0 MHz and 1.5 MHz.

SEGM2:ADD

Create a second sweep segment. The frequency range of the second segment

will be between 1.5 MHz and the maximum frequency of the analyzer.

[SENSe<Ch>:]SEGMent<Seg>:OVERlap <Boolean>

Queries whether the analyzer supports overlapping sweep segments.

<Ch>

Channel number.

<Seg>

Sweep segment number.

ON | OFF: No effect.

*RST value

OFF. If used as a query, the command returns the information that overlapping

sweep segments are not supported (OFF).

SCPI, Command

Types

Device-specific, command (no effect) or query

[SENSe<Ch>:]SEGMent<Seg>:POWer[:LEVel] <Power>

Defines the Power of the internal signal source in sweep segment no. <Seg>. At the same time, the

command activates separate power control in all sweep segments

([SENSe<Ch>:]SEGMent<Seg>:POWer[:Level]:CONTrol ON).

<Ch>

Channel number.

<Seg>

Sweep segment number.

<Power>

Internal source power.

Range [def. unit]

–40 dBm to +10 dBm. The exact range depends on the analyzer model; refer to

the data sheet [dBm].

*RST value

–10 dBm.

SCPI, Command

Types

Device-specific, command or query

Example:

SEGM:ADD

Create a new sweep segment no. 1 in channel no. 1 using default settings and

thus –10 dBm internal source power.

SEGM:POW -20

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R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

526

Decrease the power to –20 dBm.

[SENSe<Ch>:]SEGMent<Seg>:POWer[:LEVel]:CONTrol <Boolean>

Qualifies whether or not the Power of the internal signal source can be set independently for each sweep

segment.

<Ch>

Channel number.

<Seg>

Sweep segment number.

ON: The power can be set independently for each sweep segment.

OFF: The power in all sweep segments is equal to the internal source power for

unsegmented sweeps set via

SOURce<Ch>:POWer[:LEVel][:IMMediate][:AMPlitude].

*RST value

OFF. The parameter is automatically switched to ON when a segment level is

entered using [SENSe<Ch>:]SEGMent<Seg>:POWer[:LEVel].

SCPI,

Command

Types

Device-specific, command or query

Example:

SEGM:ADD

Create a new sweep segment no. 1 in channel no. 1 using default settings and thus –

10 dBm internal source power.

SEGM:POW -20

Decrease the power to –20 dBm.

SEGM:POW:CONT OFF

Couple the powers in all segments and reset the power in segment no. 1 to the initial

value.

[SENSe<Ch>:]SEGMent<Seg>[:STATe] <Boolean>

Activates or deactivates the sweep segment <Seg>. Sweep points belonging to inactive segments only

are not measured

<Ch>

Channel number.

<Seg>

Sweep segment number.

ON | OFF - Activates or deactivates the measurement in sweep segment

<Seg>.

*RST value

SCPI, Command

Types

Device-specific, command or query

Example:

SEGM:ADD

Create a new sweep segment no. 1 in channel no. 1 using default settings.

SEGM OFF

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R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

527

Disable the measurement in the created sweep segment.

[SENSe<Ch>:]SEGMent<Seg>:SWEep:DWELl <Meas. Delay>

Defines the delay time for each partial measurement in sweep segment no. <Seg> (Meas. Delay). If

coupling of the segments is switched on ([SENSe<Ch>:]SEGMent<Seg>:SWEep:DWELl:CONTrol ON)

the delay is valid for all sweep segments in the current channel. This command is not available on R&S

ZVL13 network analyzers.

<Ch>

Channel number.

<Seg>

Sweep segment number.

<Meas.

Delay>

Meas. delay before each partial measurement.

Range [def.

unit]

0s to 2.5E+003 s. [s] Changing the delay leaves the number of points unchanged

but has an impact on the duration of the sweep

([SENSe<Ch>:]SEGMent<Seg>:SWEep:TIME).

*RST value

SCPI,

Command

Types

Device-specific, command or query. This default value corresponds to automatic

sweep time setting in manual control.

Example:

SEGM:ADD

Create a new sweep segment no. 1 in channel no. 1 using default settings.

SEGM:SWE:DWEL 1 MS

Set the meas. delay in segment no. 1 to 1 ms.

SEGM:DEF? Response: 300000,8000000000,51,-300,0.056559,0,10000,POS,NORM

Query the channel parameters for sweep segment 1. The response value for the

segment sweep time (olive) implicitly contains the defined meas. delay.

[SENSe<Ch>:]SEGMent<Seg>:SWEep:DWELl:CONTrol <Boolean>

Qualifies whether or not the Meas. Delay defined via [SENSe<Ch>:]SEGMent<Seg>:SWEep:DWELl can

be set independently for each sweep segment.

<Ch>

Channel number.

<Seg>

Sweep segment number. This suffix is ignored; the command controls the whole

segmented sweep.

ON: The meas. delay can be set independently for each sweep segment.

OFF: The meas. delay in all sweep segments is equal to the Meas. Delay

measurements for unsegmented sweeps set via [SENSe<Ch>:]SWEep:DWELl.

*RST value

OFF. The parameter is automatically switched to ON when a meas. delay time is

entered using [SENSe<Ch>:]SEGMent<Seg>:SWEep:DWELl.

SCPI,

Command

Types

Device-specific, command or query.

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R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

528

Example:

SEGM:ADD

Create a new sweep segment no. 1 in channel no. 1 using default settings and thus

0s meas. delay.

SEGM:SWE:DWELl 0.1

Increase the meas. delay to 0.1 s.

SEGM:SWE:DWELl:CONT OFF

Couple the meas. delay in all segments and reset the delay in segment no. 1 to the

initial value of 0 s.

[SENSe<Ch>:]SEGMent<Seg>:SWEep:POINts <Points>

Defines the total number of measurement Points in sweep segment no. <Seg>.

<Ch>

Channel number.

<Seg>

Sweep segment number.

Number of points in the segment.

Range [def. unit]

1to 2147483647. [1] 1 is allowed if start and stop frequencies are equal.

*RST value

SCPI, Command

Types

Device-specific, command or query

Example:

SEGM:ADD

Create a new sweep segment no. 1 in channel no. 1 using default settings

and thus 51 sweep points.

SEGM:SWE:POIN 401

Increase the number of points to 401.

[SENSe<Ch>:]SWEep...

This subsystem provides general settings to control the sweep . Most of the settings are related to the

sweep time.

The [SENSe<Ch>:]SWEep... settings apply to non-segmented sweep types. Segmented sweeps are

selected via [SENSe<Ch>:]SWEep:TPYE SEGMent and configured in the

[SENSe<Ch>:]SEGMent<Seg>... subsystem.

[SENSe<Ch>:]SWEep:COUNt <No_of_Sweeps>

Defines the number of sweeps to be measured in single sweep mode (INITiate<Ch>:CONTinuous

OFF).

<Ch>

Channel number.

<No_of_Sweeps>

Number of consecutive sweeps to be measured.

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R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

529

Range [def. unit]

1to 999. [–]

*RST value

SCPI, Command Types

Confirmed, command or query

Example:

See CALCulate<Chn>:DATA:NSWeep?.

[SENSe<Ch>:]SWEep:DWELl <delay>

Defines the Meas. Delay time for each partial measurement. This command is not available on R&S

ZVL13 network analyzers.

<Ch>

Channel number.

<delay>

Meas. delay before each partial measurement.

Range [def. unit]

0s to 3.179551E+002 s. [s] Changing the delay leaves the number of points

unchanged but has an impact on the duration of the sweep.

*RST value

SCPI, Command

Types

Confirmed, command or query

Example:

FUNC "XFR:POW:S12"

Activate a frequency sweep and select the S-parameter S12 as measured

parameter for channel and trace no. 1.

SWE:TIME?

Query total sweep time.

SWE:DWEL 1

Set a delay of 1 s for each partial measurement.

SWE:TIME?

Query total sweep time. The time is extended by the delay times the total

number of partial measurements per sweep.

[SENSe<Ch>:]SWEep:POINts <no_points>

Defines the total number of measurement points per sweep (Number of Points).

<Ch>

Channel number 1.

<no_points>

Number of points per sweep.

Range [def. unit]

2to 4001. [1]

*RST value

201

SCPI, Command

Types

Confirmed, command or query

Example:

FUNC "XFR:POW:S12"

Activate a frequency sweep and select the S-parameter S12 as measured

parameter for channel and trace no. 1.

SWE:TIME?

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R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

530

Query total sweep time.

SWE:POIN 2010

Multiply the (default) number of points by 10.

SWE:TIME?

Query total sweep time again. The analyzer estimates a sweep time that is

also multiplied by 10.

[SENSe<Ch>:]SWEep:SPACing LINear | LOGarithmic

Defines the frequency vs. time characteristics of a frequency sweep (Lin Frequency or Log Frequency).

The command has no effect on segmented frequency sweeps.

Note: Use [SENSe<Ch>:]SWEep:TPYE to select sweep types other than Lin Frequency or Log

Frequency.

<Ch>

Channel number.

LINear

The stimulus frequency is swept in equidistant steps over the frequency range.

In a Cartesian diagram, the x-axis is a linear frequency axis.

LOGarithmic

The frequency is swept in equidistant steps on a logarithmic scale. In a

Cartesian diagram, the x-axis is a logarithmic frequency axis.

*RST value

LINear

SCPI, Command

Types

Confirmed, command or query

Example:

FUNC "XFR:POW:S12"

Activate a frequency sweep and select the S-parameter S12 as measured

parameter for channel and trace no. 1.

SWE:SPAC LOG

Change to sweep type Log Frequency.

[SENSe<Chn>:]SWEep:SRCPort 1 | 2

Selects a source port for the stimulus signal (Drive Port). The setting acts on the active trace.

If an S-parameter S

is measured, the second port number index <in> (input port of the DUT = drive

port of the analyzer) is set equal to the selected drive port: Drive port selection affects the measured

quantity.

<Chn>

Channel number used to identify the active trace. If unspecified the numeric

suffix is set to 1.

1...

Test port number of the analyzer, 1 to 2.

*RST value

1(test port 1)

SCPI, Command

Types

Device-specific, with query.

Example:

CALC4:PAR:SDEF "Ch4Tr1", "A1"

Create channel 4 and a trace named Ch4Tr1 to measure the wave quantity a1.

R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

531

The trace automatically becomes the active trace.

SENS4:SWE:SRCP 2

Select drive port 2 for the active trace.

[SENSe<Ch>:]SWEep:STEP <step_size>

Sets the distance between two consecutive sweep points.

This setting is valid for sweep types with equidistant sweep points only. It does not apply to

logarithmic and segmented sweeps.

<Ch>

Channel number.

<step_size>

Stimulus step size.

Range [def.

unit]

Depending on the other channel settings. The minimum step size is equal to the

sweep span divided by the maximum number of points minus one

([SENSe<Ch>:]SWEep:POINts), the maximum step size is equal to the sweep span

([SENSe<Ch>:]FREQuency:SPAN). See also description of manual control and

program example below. [–]

*RST value

The default step size is equal to the default sweep span of the analyzer divided by

the default number of points minus one.

SCPI,

Command

Types

Confirmed, with query.

Example:

*RST; SWE:STEP?

Query the default step size. For a 6 GHz analyzer, the response is 29998500.

29998500 Hz = (6 GHz – 300 kHz) / 200.

SWE:STEP UP

Increase the step size.

FREQ:STOP?; :SWE:POIN?

Query the stop frequency of the sweep and the number of points. Increasing the

step size has changed both values.

[SENSe<Ch>:]SWEep:TYPE LINear | LOGarithmic | SEGMent

Selects the sweep type (frequency) and the position of the sweep points across the sweep range.

<Ch>

Channel number.

LINear

Lin. frequency sweep at constant source power

(SOURce<Ch>:POWer<Pt>[:LEVel][:IMMediate][:AMPlitude]). The

stimulus frequency ([SENSe<Ch>:]FREQuency:...) is swept in equidistant steps

over the frequency range. In a Cartesian diagram, the x-axis is a linear frequency

axis.

LOGarithmic

Log. frequency sweep. The frequency is swept in equidistant steps on a logarithmic

scale. In a Cartesian diagram, the x-axis is a logarithmic frequency axis.

SEGMent

Segmented frequency sweep. The sweep range is composed of several continuous

frequency ranges or single frequency points defined by means of the commands in

R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

532

the [SENSe<Ch>:]SEGMent<Seg>... subsystem.

*RST value

LINear

SCPI,

Command

Types

Device-specific, command or query

Example:

FUNC "XFR:POW:S12"

Activate a frequency sweep and select the S-parameter S12 as measured parameter

for channel and trace no. 1.

SWE:TYPE LOG

Change to sweep type Log Frequency.

SOURce<Ch>:...

This subsystem controls the power of the internal signal source and controls the output signals of the

instrument.

SOURce<numeric_suffix>:EXTernal<numeric_suffix>:ROSCillator[:SOURce]

INTernal | EXTernal

Switches between external and internal reference oscillator.

<numeric_suffix>

1| 2 - The numeric suffixes are ignored.

INTernal

Select internal 10 MHz reference oscillator.

EXTernal

Select external reference clock. The frequency of the external reference clock

is specified via [SENSe<Chn>:]ROSCillator:EXTernal:FREQuency.

*RST value

INT

SCPI, Command

Types

Device-specific, command or query

Example:

SOUR:EXT:ROSC EXT

Switches to external reference oscillator.

SOURce<Ch>:POWer<Pt>[:LEVel][:IMMediate][:AMPlitude] <numeric_value>

Defines the power of the internal signal source (channel power). The setting is valid for all sweep types.

<Ch>

Channel number.

<Pt>

Test port number of the analyzer. This suffix is ignored because the selected

channel power applies to all source ports used in the active channel.

<numeric_value>

Internal source power.

Range [def. unit]

–70 dBm to +20 dBm (to 0 dBm for R&S ZVL13 analyzers). The exact range

for all analyzer models is quoted in the data sheet [dBm]. UP and DOWN

R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

533

increment/decrement the source power in 0.1-dB steps.

*RST value

–10 dBm

SCPI, Command

Types

Confirmed, command or query

Example:

FUNC "XFR:POW:RAT B1, A2"

Activate a frequency sweep and select the ratio B1/A2 as measured parameter

for channel and trace no. 1.

SOUR:POW -6

Set the internal source power for channel 1 to -6 dBm.

STATus...

This subsystem controls the Status Reporting System. Note that *RST does not influence the status

registers.

STATus:PRESet

Configures the status reporting system such that device-dependent events are reported at a higher level.

The command affects only the transition filter registers, the ENABle registers, and queue enabling:



The ENABle parts of the STATus:OPERation and STATus:QUEStionable... registers are set to all

1's.



The PTRansition parts are set all 1's, the NTRansition parts are set to all 0's, so that only positive

transitions in the CONDition part are recognized.

The status reporting system is also affected by other commands, see Reset Values of the Status

Reporting System.

*RST value

–

SCPI, Command Types

Confirmed, no query

Example:

STAT:PRES

Preset the status registers.

STATus:QUEStionable:CONDition?

Returns the contents of the CONDition part of the QUEStionable register. Reading the CONDition

registers is nondestructive.

*RST value

–

SCPI, Command

Types

Confirmed, query only

Example:

STAT:QUES:COND?

Query the CONDition part of the QUEStionable register to check for

R&S ZVL

Command Reference

Instrument-Control Commands

Operating Manual 1303.6580.32-05

534

questionable instrument states.

STATus:QUEStionable:ENABle

Sets the enable mask which allows true conditions in the EVENt part of the QUEStionable register to be

reported in the summary bit. If a bit is 1 in the enable register and its associated event bit transitions to

true, a positive transition will occur in the summary bit (bit 3 of the STatus Byte).

<NRf>

0to 65535 (decimal representation)

*RST value

–(see also Reset Values of the Status Reporting System)

SCPI, Command Types

Confirmed, command or query

Example:

STAT:QUES:ENABle 1536

Set bits no. 9 and 10 of the QUEStionable:ENABle register

STATus:QUEStionable[:EVENt]?

Returns the contents of the EVENt part of the QUEStionable register. Reading an EVENt register clears it.

*RST value

–

SCPI, Command

Types

Confirmed, query only

Example:

STAT:OPER?

Query the EVENt part of the OPERation register to check whether an event

has occurred since the last reading.

STATus:QUEStionable:NTRansition

Sets the negative transition filter. Setting a bit causes a 1 to 0 transition in the corresponding bit of the

associated condition register to cause a 1 to be written in the associated bit of the corresponding event

<NRf>

0to 65535 (decimal representation)

*RST value

–(see also Reset Values of the Status Reporting System)

SCPI, Command Types

Confirmed, command or query

Example:

STAT:QUES:NTR 1536

Set bits no. 9 and 10 of the QUEStionable:NTRansition register

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