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Sense:IMS Commands

Controls IM Spectrum measurement configuration.

SENSe:IMS:

PMAP

       | INPut

       | OUTPut

RBW

RESPonse

       | STARt

       | STOP

       | CENTer

       | SPAN

STIMulus

       | DFRequency

       | FCENter

       | F1FRequency

       | F2FRequency

       | TOPWer

           | F1

           | F2

SWEep:

       | TYPE

       | ORDer

TPOWer

       | COUPle[:STATe]

       | EQUal

       | LEV

       | SET

TRACking

       | CHANnel

       | MSENable

       | SINDex

       | STATe

 

Click on a keyword to view the command details.

See Also

SENSe<cnum>:IMS:PMAP <input>,<output>

Applicable Models: N522xB, N524xB

(Write-only)  Sets the input port and output port of an IMS or IMSx channel. This setting is necessary only when using the limited port mapping feature. Learn more.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<input>

VNA port connected to the DUT Input. Choose from 1 or 3. When input is 3, an external combiner must be used.

<output>

VNA port connected to the DUT Output.

When input is 1, output must be 2.

When input is 3, output must be 4.

Examples

SENS:IMS:PMAP 3,4

sense2:ims:pmap 3,4

Query Syntax

Not Applicable

Default

1,2

SENSe<cnum>:IMS:PMAP:INPut?

Applicable Models: N522xB, N524xB

(Read-only)  Returns the VNA test port to be connected to the DUT input for an IMS or IMSx channel. Set the VNA port to DUT mapping using SENS:IMS:PMAP

Parameters

 

<cnum>

IMS channel number. If unspecified, value is set to 1.

Examples

SENS:IMS:PMAP:INP?

sense2:ims:pmap:input?

Default

1

SENSe<cnum>:IMS:PMAP:OUTPut?

Applicable Models: N522xB, N524xB

(Read-only)  Returns the VNA test port to be connected to the DUT output for an IMS or IMSx channel. Set the VNA port to DUT mapping using SENS:IMS:PMAP

Parameters

 

<cnum>

IMS channel number. If unspecified, value is set to 1.

Examples

SENS:IMS:PMAP:OUTP?

sense2:ims:pmap:output?

Default

2

SENSe<cnum>:IMS:RBW <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the Resolution Bandwidth for the IM Spectrum measurement.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Resolution BW in Hz. Choose from: 60k | 100k | 150k | 300k, 600k | 1.0M | 3.0M

If an invalid number is specified, the VNA will round up to the closest valid number.

Examples

SENS:IMS:RBW 600e3

sense2:ims:rbw 1MHz

Query Syntax

SENSe<cnum>:IMS:RBW?

Return Type

Numeric

Default

600 kHz

SENSe<cnum>:IMS:RESPonse:STARt <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the receiver Start frequency for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled and when Sweep Type = Linear. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Start frequency in Hz. Choose a frequency within the range of the VNA.

Examples

SENS:IMS:RESP:STAR 1e9

sense2:ims:response:start 100e6

Query Syntax

SENSe<cnum>:IMS:RESPonse:STARt?

Return Type

Numeric

Default

950 MHz

SENSe<cnum>:IMS:RESPonse:STOP <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the receiver Stop frequency for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled and when Sweep Type = Linear. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Stop frequency in Hz. Choose a frequency within the range of the VNA.

Examples

SENS:IMS:RESP:STOP 26e9

sense2:ims:response:stop 100e6

Query Syntax

SENSe<cnum>:IMS:RESPonse:STOP?

Return Type

Numeric

Default

1.05 MHz

SENSe<cnum>:IMS:RESPonse:CENTer <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the receiver Center frequency for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled and when Sweep Type = Linear. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Center frequency in Hz. Choose a frequency within the range of the VNA.

Examples

SENS:IMS:RESP:CENT 26e9

sense2:ims:response:center 100e6

Query Syntax

SENSe<cnum>:IMS:RESPonse:CENTer?

Return Type

Numeric

Default

1.0 GHz

SENSe<cnum>:IMS:RESPonse:SPAN <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the Span of receiver frequencies for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled and when Sweep Type = Linear. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Frequency span in Hz. All receiver frequencies should be within the range of the VNA.

Examples

SENS:IMS:RESP:SPAN 10e9

sense2:ims:response:span 100e6

Query Syntax

SENSe<cnum>:IMS:RESPonse:SPAN?

Return Type

Numeric

Default

100 MHz

SENSe<cnum>:IMS:STIMulus:DFRequency <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the DeltaF (tone spacing) for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Delta frequency in Hz. All stimulus settings MUST be within the frequency range of the VNA.

Examples

SENS:IMS:STIM:DFR 1e6

sense2:ims:stimulus:dfrequency 100e6

Query Syntax

SENSe<cnum>:IMS:STIMulus:DFRequency?

Return Type

Numeric

Default

10 MHz

SENSe<cnum>:IMS:STIMulus:FCENter <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the Center frequency for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Center frequency in Hz. All stimulus settings MUST be within the frequency range of the VNA.

Examples

SENS:IMS:STIM:FCEN 1e6

sense2:ims:stimulus:fcenter 100e6

Query Syntax

SENSe<cnum>:IMS:STIMulus:FCENter?

Return Type

Numeric

Default

1.0 GHz

SENSe<cnum>:IMS:STIMulus:F1FRequency <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the F1 frequency for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

F1 frequency in Hz. All stimulus settings MUST be within the frequency range of the VNA.

Examples

SENS:IMS:STIM:F1FR 1e6

sense2:ims:stimulus:f1frequency 100e6

Query Syntax

SENSe<cnum>:IMS:STIMulus:F1FRequency?

Return Type

Numeric

Default

995 MHz

SENSe<cnum>:IMS:STIMulus:F2FRequency <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the F2 frequency for the IM Spectrum measurement. Valid ONLY when Tracking is NOT enabled. Otherwise, this setting is ignored.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

F2 frequency in Hz. All stimulus settings MUST be within the frequency range of the VNA.

Examples

SENS:IMS:STIM:F2FR 1e6

sense2:ims:stimulus:f2frequency 100e6

Query Syntax

SENSe<cnum>:IMS:STIMulus:F2FRequency?

Return Type

Numeric

Default

1.005 MHz

SENSe<cnum>:IMS:STIMulus:TPOWer:F1 <value>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the power level of the F1 tone. When SENS:IMS:TPOW:COUP ON (tone power is coupled), setting either F1 or F2 power sets both. This setting is ignored if SENS:IMS:TRAC:STAT is enabled.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<value>

F1 tone power level in dBm. Choose a value between +30 dBm and -30 dBm.

Examples

SENS:IMS:STIM:TPOW:F1 -10

sense2:ims:stimulus:tpower:f1 0

Query Syntax

SENSe<cnum>:IMS:STIMulus:TPOWer:F1?

Return Type

Numeric

Default

-20

SENSe<cnum>:IMS:STIMulus:TPOWer:F2 <value>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the power level of the F2 tone. When SENS:IMS:TPOW:COUP ON (tone power is coupled), setting either F1 or F2 power sets both. This setting is ignored if SENS:IMS:TRAC:STAT is enabled.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<value>

F2 tone power level in dBm. Choose a value between +30 dBm and -30 dBm.

Examples

SENS:IMS:STIM:TPOW:F2 -10

sense2:ims:stimulus:tpower:f2 0

Query Syntax

SENSe<cnum>:IMS:STIMulus:TPOWer:F2?

Return Type

Numeric

Default

-20

SENSe<cnum>:IMS:SWEep:TYPE <char>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the method in which the spectrum of signals to view are specified. When Tracking is enabled the frequency of the main tones (f1 and f2) are always determined by the Swept IMD channel.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<char>

IM Spectrum sweep type. Choose from:

  • LINear  When Tracking is enabled, allows tuning the Response Settings (receiver) to any values within the frequency range of the VNA. When Tracking is NOT enabled also allows setting the Stimulus (sources) to any values within the frequency range or the VNA.

  • SECond  The receiver is tuned to view the 2nd order products (f2-f1 and f1+f2) of the main tones that are currently specified in Stimulus Settings. When Tracking is enabled, the main tones are specified in the Swept IMD channel.

  • THIRd  The receiver is tuned to view the 3rd order products (2f1 -f2 and 2f2-f1) of the main tones that are currently specified in Stimulus Settings. When Tracking is enabled, the main tones are specified in the Swept IMD channel.

  • NTH  The frequency range is set to N * DeltaF. This algorithm will NOT tune the receivers to view the EVEN order products.

Examples

SENS:IMS:SWEep:TYPE LIN

sense2:ims:sweep:type nth

Query Syntax

SENSe<cnum>:IMS:SWEep:TYPE?

Return Type

Character

Default

NTH

SENSe<cnum>:IMS:SWEep:ORDer <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the order number of signals to view when SENS:IMS:SWE:TYPE NTH is specified.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<num>

Order number of IM products to view. The frequency range is set to N (this number) x DeltaF (set with SENS:IMS:STIM:DFR).

Examples

SENS:IMS:SWEep:ORD 5

sense2:ims:sweep:order 12

Query Syntax

SENSe<cnum>:IMS:SWEep:ORDer?

Return Type

Numeric

Default

9

SENSe<cnum>:IMS:TPOWer:COUPle[:STATe] <bool>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the state of power coupling for F1 and F2.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<bool>

Tone power level coupling. Choose from:

ON (or 1) - F1 and F2 power is coupled.

OFF (or 0) - F1 and F2 power is NOT coupled. Set power levels individually.

Examples

SENS:IMS:TPOW:COUP 0

sense2:ims:tpower:couple:state ON

Query Syntax

SENSe<cnum>:IMS:TPOWer:COUPle[:STATe]?

Return Type

Boolean

Default

ON

SENSe<cnum>:IMS:TPOWer:EQUalize:STATe <bool> - Superseded

Applicable Models: N522xB, N524xB

(Read-Write) This command is replaced with SENS:IMS:TPOW:LEV

Sets and returns the state of Equal Tone Power setting.  Learn more about tone power.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<bool>

Equal Tone Power state. Choose from:

ON (or 1) - Equalize f1 and f2 power.

OFF (or 0) - Do NOT equalize f1 and f2 power. Use source power cal.

Examples

SENS:IMS:TPOW:EQU 0

sense2:ims:tpower:equalize:state ON

Query Syntax

SENSe<cnum>:IMS:TPOWer:EQUalize:STATe?

Return Type

Boolean

Default

OFF

SENSe<cnum>:IMS:TPOWer:LEVel <char>

Applicable Models: N522xB, N524xB

(Read-Write) This command replaces SENS:IMS:TPOW:EQU and SENS:IMS:TPOW:SET

Sets and returns the tone power leveling mode.

Parameters

 

<cnum>

Channel number of the IMD measurement. If unspecified, value is set to 1.

<char>

Choose from:

NONE - (Set Input Power)  The specified f1 and f2 power levels are set at the DUT input.

INPUT - (Set Input Power, receiver leveling)  The specified f1 and f2 power levels are set at the DUT input using receiver leveling at the input reference receiver.

EQUAL - (Set Input Power, equal tones at output)  The specified f1 and f2 power levels are set at the DUT input and a measurement is made at the output.

OUTPUT - (Set Output Power, receiver leveling)  The specified f1 and f2 power levels are set at the DUT output.

Learn more about these choices.

Examples

SENS:IMS:TPOW:LEV INPUT

sense2:ims:tpower:level output

Query Syntax

SENSe<cnum>:IMS:TPOWer:LEV?

Return Type

Character

Default

NONE

SENSe<cnum>:IMS:TPOWer:SET <char> - Superseded

Applicable Models: N522xB, N524xB

(Read-Write) This command is replaced with SENS:IMS:TPOW:LEV

Sets and returns whether tone power is specified at the DUT input or output.

Parameters

 

<cnum>

Channel number of the IMSpectrum measurement. If unspecified, value is set to 1.

<char>

Choose from:

INPUT - Specified power level is set at the DUT input.

OUTPUT - Specified power level is set at the DUT output.

Examples

SENS:IMS:TPOW:SET INPUT

sense2:ims:tpower:set output

Query Syntax

SENSe<cnum>:IMS:TPOWer:SET?

Return Type

Character

Default

INPUT

SENSe<cnum>:IMS:TRACking:CHANnel <num>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the IMD channel number to which the IM Spectrum channel is coupled.

Parameters

 

<cnum>

IMS channel. If unspecified, value is set to 1.

<num>

Existing IMD channel to which frequency and power settings are coupled.

Examples

SENS:IMS:TRAC:CHAN 2

sense2:ims:tracking:channel 1

Query Syntax

SENSe<cnum>:IMS:TRACking:CHANnel?

Return Type

Numeric

Default

First IMD channel

SENSe<cnum>:IMS:TRACking:MSENable <bool>

Applicable Models: N522xB, N524xB

(Read-Write) Sets and returns the step sweep mode for the IM Spectrum channel.

Parameters

 

<cnum>

IMS channel. If unspecified, value is set to 1.

<bool>

Choose from:

OFF (or 0) - Automatic Step

ON (or 1) - Manual Step

Examples

SENS:IMS:TRAC:MSEN 1

sense2:ims:tracking:msenable 0

Query Syntax

SENSe<cnum>:IMS:TRACking:MSENable?

Return Type

Boolean

Default

0 - Automatic

SENSe<cnum>:IMS:TRACking:SINDex <num>

Applicable Models: N522xB, N524xB

(Read-Write) When SENS:IMS:TRAC:MSEN = Manual, sets and returns the data point number at which a sweep is performed.

Parameters

 

<cnum>

IMS channel. If unspecified, value is set to 1.

<num>

Step index. Choose from 1 to the specified number of points.

Examples

SENS:IMS:TRAC:SINDex 201

sense2:ims:tracking:sindex 1

Query Syntax

SENSe<cnum>:IMS:TRACking:SINDex?

Return Type

Numeric

Default

1

SENSe<cnum>:IMS:TRACking:STATe <bool>

Applicable Models: N522xB, N524xB

(Read-Write) When an IMD channel exists, allows the IM Spectrum frequency and power setting to track (couple with) the IMD channel settings.

Parameters

 

<cnum>

IMS channel. If unspecified, value is set to 1.

<bool>

Tracking state. Choose from:

ON (or 1) - IM Spectrum frequency and power settings track the IMD channel settings.

OFF (or 0) - IM Spectrum frequency and power settings are specified in the IMS channel.

Examples

SENS:IMS:TRAC:STAT 0

sense2:ims:tracking:state ON

Query Syntax

SENSe<cnum>:IMS:TRACking:STATe?

Return Type

Boolean

Default

OFF