5 [source]:chirp subsystem, Sour, Chir – BNC 835 Programmer Manual User Manual
Page 26: Ubsystem
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:FREQuency:STOP
[SOURce]:FREQuency:STOP <value><unit>
[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
<val>
s
[SOURce]:CHIRp:COUNt
INFinite | <val>
INF
[SOURce]:CHIRp:DIR
DU|UD|DOWN|UP
UP
:
CHIRp:COUNt
[SOURce]:CHIRp:COUNt INF inite| <value>
[SOURce]:CHIRp:COUNt?
This command specifies the number of repetitions for the chirp. Set to INF for infinite repetitions.
:CHIRp:TIME
[SOURce]:CHIRp:TIME <value> <unit>
[SOURce]:CHIRp:TIME?
Sets the time span for the chirp.
:CHIRp:DIRection
[SOURce]:CHIRp:DIRection UD|DU|DOWN|UP
[SOURce]:CHIRp:DIRection?