5 [source]:chirp subsystem, Sour, Chir – BNC 835 Programmer Manual User Manual

Page 26: Ubsystem

Berkeley Nucleonics Corporation 2955 Kerner Blvd., San Rafael, CA 94901

Phone: 415-453-9955, Fax: 415-453-9956, Email: [email protected], Web: www.berkeleynucleonics.com

:FREQuency:STOP

[SOURce]:FREQuency:STOP

[SOURce]:FREQuency:STOP?

This command sets the last frequency point in a chirp or step sweep.

*RST The preset value is 2 GHz.

Range Please refer to the Data Sheet.

[SOURce]:FREQuency:STEP

[SOURce]:FREQuency:STEP[:LINear]?

This query returns the step sizein Hz for a linear step sweep.

[SOURce]:FREQuency:STEP:LOGarithmic

[SOURce]:FREQuency:STEP:LOGarithmic?

This query returns the step size (step factor) for a logarithmic step sweep.

5.5 [SOURce]:CHIRp Subsystem

The :CHIRp Subsystem allows to run ultrafast quasi-analog frequency sweeps. The frequency can

either increase or decrease linear.

Command

Parameters

Unit

(default)

Remark

[SOURce]:CHIRp:TIME

[SOURce]:CHIRp:COUNt

INFinite |

INF

[SOURce]:CHIRp:DIR

DU|UD|DOWN|UP

CHIRp:COUNt

[SOURce]:CHIRp:COUNt INF inite|

[SOURce]:CHIRp:COUNt?

This command specifies the number of repetitions for the chirp. Set to INF for infinite repetitions.

:CHIRp:TIME

[SOURce]:CHIRp:TIME

[SOURce]:CHIRp:TIME?

Sets the time span for the chirp.

:CHIRp:DIRection

[SOURce]:CHIRp:DIRection UD|DU|DOWN|UP

[SOURce]:CHIRp:DIRection?

This manual is related to the following products: