BNC 835 Programmer Manual - Manual (Page 30)

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
[SOURce]:POWer:STOP <value><unit>
[SOURce]:POWer:STOP?
This command sets the last amplitude point in a step sweep.
Range
:STEP
[SOURce]:POWer:STEP[:LINear]?
This query returns the step size in dB for a linear step sweep.
:ALC
[SOURce]:POWer:ALC ON|OFF|1|0
[SOURce]:POWer:ALC?
This command turns the automatic power level control on and off.
*RST The preset value is 1
:ALC:LOWN
[SOURce]:POWer:ALC:LOWN ON | OFF | 1 | 0
[SOURce]:POWer:ALC:LOWN?
This command enables or disables the low amplitude noise mode providing up to 1/1000 dB output
power resolution. When enabled, the automatic levelling control will work in a mode similar to hold. In
opposite to the hold mode:
- The hold setpoint won’t be sampled again when changing the output power setting using the
[SOURce]:POWer[:LEVel][:IMMediate][:AMPLitude] command.
- The hold setpoint won’t be sampled again when turning RF on or off using the OUTPut[:STATe]
command.
:ALC:HOLD
[SOURce]:POWer:ALC:HOLD ON|OFF|1|0
[SOURce]:POWer:ALC?
(Devices with option PE only)
This command sets the automatic level control into hold mode. The amplitude level control loop is
open.
*RST The preset value is 0
:ATTenuation
[SOURce]:POWer:ATTenuation <value>
[SOURce]:POWer:ATTenuation?
(Devices with option PE only)
This command sets the power range extension attenuator. This command will also turn off automatic
attenuation setting. Refer to [SOURce]:POWer:ATTenuation:AUTO OFF for details. Attenuator input