Sense:Frequency Commands


Sets the sweep frequencies of the analyzer.

SENSe:FREQuency

       | CENTer

            | STEP

                 | AUTO

                 | SIZE

       | CW | FIXed

       | SPAN

            | FULL

       | STARt

       | STOP

Click on a keyword to view the command details.

See Also


SENSe<cnum>:FREQuency:CENTer <num>

Applicable Models: All

(Read-Write) Sets the center frequency of the analyzer.

Note: When the sweep type is "segment sweep", this command is not used.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<num>

Center frequency. Choose any number between the minimum and maximum frequency limits of the analyzer. Units are Hz.

This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information.

Examples

SENS:FREQ:CENT 1000000

sense2:frequency:center 1mhz

sense2:frequency:center 1e6

Query Syntax

SENSe<cnum>:FREQuency:CENTer?

Return Type

Numeric

Default

Center of the analyzer's frequency span


SENSe<cnum>:FREQuency:CENTer:STEP:AUTO <bool>

Applicable Models: All

(Read-Write) Sets and reads how the center frequency step size is set. When TRUE, center steps by 5% of span. When FALSE, center steps by STEP:SIZE value.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<bool>

Choose from:

ON (or 1) - Step size is set automatically.

OFF (or 0) - Step size is set manually using SENS:FREQ:CENT:STEP:SIZE

Examples

SENS:FREQ:CENT:STEP:AUTO 1

Query Syntax

SENSe<cnum>:FREQuency:CENTer:STEP:AUTO?

Return Type

Boolean

Default

ON


SENSe<cnum>:FREQuency:CENTer:STEP:SIZE <num>

Applicable Models: All

(Read-Write) Sets the center frequency step size of the analyzer. This command sets the manual step size (only valid when STEP:AUTO is FALSE).

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<num>

Step size in Hz. Choose a value below the stop frequency of the analyzer.

Examples

SENS:FREQ:CENT:STEP:SIZE 1e9

Query Syntax

SENSe<cnum>:FREQuency:CENTer:STEP:SIZE?

Return Type

Numeric

Default

Default is 40 MHz. When STEP:AUTO is TRUE, this value is ignored.


SENSe<cnum>:FREQuency[:CW |:FIXed] <num>

Applicable Models: All

(Read-Write) Sets the Continuous Wave (or Fixed) frequency. Must also send SENS:SWEEP:TYPE CW to put the analyzer into CW sweep mode.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<num>

CW frequency. Choose any number between the minimum and maximum frequency limits of the analyzer. Units are Hz.

This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information.

Examples

SENS:FREQ 1000000
SENS:FREQ:CW MIN
sense2:frequency:fixed 1mhz

Query Syntax

SENSe<cnum>:FREQuency[:CW | :FIXed]?

Return Type

Numeric

Default

1 GHz


SENSe<cnum>:FREQuency:SPAN <num>

Applicable Models: All

(Read-Write) Sets the frequency span of the analyzer.

Note: When the sweep type is "segment sweep", this command is not used.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<num>

Frequency span in Hz. Choose any number from 70 (minimum) and the maximum frequency span of the analyzer.

This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information.

Examples

SENS:FREQ:SPAN 1000000
sense2:frequency:span max

Query Syntax

SENSe<cnum>:FREQuency:SPAN?

Return Type

Numeric

Default

Maximum frequency span of the analyzer


SENSe<cnum>:FREQuency:SPAN:FULL

Applicable Models: All

(Write-Only) Sets the frequency span to the entire frequency range of the analyzer.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

Examples

SENS:FREQ:SPAN:FULL

Query Syntax

Not Applicable

Default

Maximum frequency span of the analyzer


SENSe<cnum>:FREQuency:STARt <num>

Applicable Models: All

(Read-Write) Sets the start frequency of the analyzer.

Note: When the sweep type is "segment sweep", this command is not used.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<num>

Start frequency. Choose any number between the MIN and MAX frequency limits of the analyzer. Units are Hz.

If FREQ:START is set greater than FREQ:STOP, then the stop frequency is set to the start frequency + frequency span.

This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information.

Examples

SENS:FREQ:STAR 1000000

sense2:frequency:start MIN

Query Syntax

SENSe<cnum>:FREQuency:STARt?

Return Type

Numeric

Default

Minimum frequency of the analyzer


SENSe<cnum>:FREQuency:STOP <num>

Applicable Models: All

(Read-Write) Sets the stop frequency of the analyzer.

Note: When the sweep type is "segment sweep", this command is not used.

Parameters

 

<cnum>

Any existing channel number. If unspecified, value is set to 1

<num>

Stop frequency. Choose any number between 70 (minimum) and maximum frequency limits of the analyzer. Units are Hz.

If FREQ:STOP is set less than FREQ:START, then the start frequency is set to the stop frequency - frequency span.

This command will accept MIN or MAX instead of a numeric parameter. See SCPI Syntax for more information.

Examples

SENS:FREQ:STOP 1000000

sense2:frequency:stop max

Query Syntax

SENSe<cnum>:FREQuency:STOP?

Return Type

Numeric

Default

Maximum frequency of the analyzer