Phase Noise Commands

Defines the settings for phase noise measurements. Option S93031xB is required and applies ONLY to instruments with serial prefix 6021 and above.

SENSe:PN

ADJust

    | CONFigure

        | FREQuency

            | CHECk

            | LIMit

                 | HIGH

                 | LOW

            | SEARch

                 | [:STATe]

        | LEVel

            | THReshold

BWIDth

    | [:RESolution]

        | RATio

FAVerage

    | FACTor

NTYPe

RECeiver

RESidual

    | INPut

    | OUTput

SWEep

    | CARRier

        | FREQuency

   | NOISe

          | MODE

 

Click a keyword to view the command details.

See Also


SENSe<ch>:PN:ADJust:CONFigure:FREQuency:CHECk <bool>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Enables and disables check for carrier. This is a narrow band search that expects the carrier to exist around the user-specified carrier frequency.

Parameters

 

<ch>

Channel number of the measurement (optional).

<bool>

Choose from:

0 - OFF - Disable check for carrier.

1 - ON - Enable check for carrier.

Examples

SENS:PN:ADJ:CONF:FREQ:CHEC ON

sense2:pn:adjust:configure:frequency:check ON

Query Syntax

SENSe<ch>:PN:ADJust:CONFigure:FREQuency:CHECk?

Return Type

Boolean

Default

ON


SENSe<ch>:PN:ADJust:CONFigure:FREQuency:LIMit:HIGH <value>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the high frequency limit to use during a broadband carrier search. The SENSe:PN:ADJust:CONFigure:FREQuency:SEARch[:STATe] command enables/disables the carrier search.

Parameters

 

<ch>

Channel number of the measurement (optional).

<value>

Carrier search high frequency limit.

Examples

SENS:PN:ADJ:CONF:FREQ:LIM:HIGH 1E9

sense2:pn:adjust:configure:frequency:limit:high 1e9

Query Syntax

SENSe<ch>:PN:ADJust:CONFigure:FREQuency:LIMit:HIGH?

Return Type

Numeric

Default

1 GHz


SENSe<ch>:PN:ADJust:CONFigure:FREQuency:LIMit:LOW <value>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the low frequency limit to use during a broadband carrier search. The SENSe:PN:ADJust:CONFigure:FREQuency:SEARch[:STATe] command enables/disables the carrier search.

Parameters

 

<ch>

Channel number of the measurement (optional).

<value>

Carrier search low frequency limit.

Examples

SENS:PN:ADJ:CONF:FREQ:LIM:HIGH 1E6

sense2:pn:adjust:configure:frequency:limit:high 1e6

Query Syntax

SENSe<ch>:PN:ADJust:CONFigure:FREQuency:LIMit:LOW?

Return Type

Numeric

Default

1 MHz


SENSe<ch>:PN:ADJust:CONFigure:FREQuency:SEARch[:STATe] <bool>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Enables and disables a broadband carrier search within the range specified using the SENSe:PN:ADJust:CONFigure:FREQuency:LIMit:LOW and SENSe:PN:ADJust:CONFigure:FREQuency:LIMit:HIGH commands.

Parameters

 

<ch>

Channel number of the measurement (optional).

<bool>

Choose from:

0 - OFF - Disable search.

1 - ON - Enable search.

Examples

SENS:PN:ADJ:CONF:FREQ:SEAR ON

sense2:pn:adjust:configure:frequency:search:state ON

Query Syntax

SENSe<ch>:PN:ADJust:CONFigure:FREQuency:SEARch[:STATe]?

Return Type

Boolean

Default

ON


SENSe<ch>:PN:ADJust:CONFigure:LEVel:THReshold <value>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the threshold to use during a carrier search.

Parameters

 

<ch>

Channel number of the measurement (optional).

<value>

Carrier search threshold in dBm.

Examples

SENS:PN:ADJ:CONF:LEV:THR -20

sense2:pn:adjust:configure:level:threshold -20

Query Syntax

SENSe<ch>:PN:ADJust:CONFigure:LEVel:THReshold?

Return Type

Numeric

Default

-20 dBm


SENSe<ch>:PN:BWIDth[:RESolution]:RATio <value>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the resolution bandwidth ratio, which is the specified resolution bandwidth percentage of every half decade offset frequency.

Example:

Start Offset = 1 kHz

Stop Offset = 100 kHz

RBW Ratio = 10%

1 kHz - 3 kHz: RBW = 100 Hz (10% of 1 kHz)

3 kHz - 10 kHz: RBW = 300 Hz (10% of 3 kHz)

10 kHz - 30 kHz: RBW = 1 kHz (10% of 10 kHz)

30 kHz - 100 kHz: RBW = 3 kHz (10 % of 30 kHz)

Parameters

 

<ch>

Channel number of the measurement (optional).

<value>

Resolution bandwidth ratio in %.

Examples

SENS:PN:BWID:RAT 10

sense2:pn:bwidth:resolution:ratio 10

Query Syntax

SENSe<ch>:PN:BWIDth[:RESolution]:RATio?

Return Type

Numeric

Default

10%


SENSe<ch>:PN:FAVerage:FACTor <value>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the FFT average factor number. The average factor is multiplied by the default average count for each frequency range. The default average count of the lower frequency range is 1 and at the higher offset frequency range is a larger count.

Parameters

 

<ch>

Channel number of the measurement (optional).

<value>

FFT average factor number from 1 to 10,000.

Examples

SENS:PN:FAV:FACT 10

sense2:pn:faverage:factor 10

Query Syntax

SENSe<ch>:PN:FAVerage:FACTor?

Return Type

Numeric

Default

1


SENSe<ch>:PN:NTYPe <enum>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the noise type to phase or residual noise.

Parameters

 

<ch>

Channel number of the measurement (optional).

<enum>

(Enumeration) Choose from:

PNOise - Phase noise measurement.

RESidual - Residual (additive) noise measurement.

Examples

SENS:PN:NTYP PNO

sense2:pn:ntype residual

Query Syntax

SENSe<ch>:PN:NTYPe?

Return Type

Enumeration

Default

PNOise


SENSe<ch>:PN:RECeiver  <rcvr>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the receiver for the phase noise measurement or receiver ratios for residual phase noise measurements.

Parameters

 

<ch>

Channel number of the measurement (optional).

<rcvr>

(String) Receiver string.

Choose from:

a1, a2, a3, a4, b1, b2, b3, b4, b2/a1, b1/a2.

Note: The b2/a1 and b1/a2 ratios are for residual phase noise measurements. For example, b2/a1 measures the additive phase noise at b2 relative to a1.

Examples

SENS:PN:REC "b2"
sense:pn:receiver "b2"

Query Syntax

SENSe<ch>:PN:RECeiver?

Return Type

String

Default

b2


SENSe<ch>:PN:RESidual:INPut <dutInput>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns receiver at the DUT input for residual phase noise measurements.

Parameters

 

<ch>

Channel number of the measurement (optional).

<dutInput>

(String) Receiver string for DUT input.

Choose from:

a1, a2, a3, a4, b1, b2, b3, b4.

Examples

SENS:PN:RES:INP "a1"
sense:pn:residual:input "a1"

Query Syntax

SENSe<ch>:PN:RESidual:INPut?

Return Type

String

Default

a1


SENSe<ch>:PN:RESidual:OUTput <dutOutput>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns receiver at the DUT output for residual phase noise measurements.

Parameters

 

<ch>

Channel number of the measurement (optional).

<dutOutput>

(String) Receiver string for DUT output.

Choose from:

a1, a2, a3, a4, b1, b2, b3, b4.

Examples

SENS:PN:RES:OUT "b2"
sense:pn:residual:output "b2"

Query Syntax

SENSe<ch>:PN:RESidual:OUTput?

Return Type

String

Default

b2


SENSe<ch>:PN:SWEep:CARRier:FREQuency <value>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the carrier frequency.

Parameters

 

<ch>

Channel number of the measurement (optional).

<value>

Carrier frequency.

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

Examples

SENS:PN:SWE:CARR:FREQ 1 GHz

sense2:pn:sweep:carrier:frequency max

Query Syntax

SENSe<ch>:PN:SWEep:CARRier:FREQuency?

Return Type

Numeric

Default

1 GHz


SENSe<ch>:PN:SWEep:NOISe:MODE<enum>

Applicable Models: N522xB, N524xB with Phase Noise Option S93031xB

(Read-Write) Sets and returns the sweep noise mode.

Parameters

 

<ch>

Channel number of the measurement (optional).

<enum>

(Enumeration) Choose from:

FAST - Fastest measurement speed with lowest accuracy.

NORMal - Between fastest and slowest measurement speed and accuracy.

BEST - Slowest measurement speed with highest accuracy.

Examples

SENS:PN:SWE:NOIS:MODE NORM

sense2:pn:sweep:noise:mode fast

Query Syntax

SENSe<ch>:PN:SWEep:NOISe:MODE?

Return Type

Enumeration

Default

NORMal