Instrument functions
R&S
®
NGU
46
User Manual 1179.2531.02 ─ 03
Figure 6-2: Output of R&S
NGU in CC mode
6.2.1
Set constant resistance
By enabling the constant resistance (CR) mode, you can operate the R&S
NGU as an
electronic load in sink mode. This allows you to perform testing that requires a constant
load resistor in your application.
Constant resistance (CR) mode is available only with R&S NGU201 model.
1. Press [Settings] key.
The R&S
NGU displays the device/channel menu window.
2. Select the channel tab to apply constant resistance.
The R&S
NGU displays the channel menu.
3. Select the "Constant Resistance" from the menu.
The R&S
NGU displays the "Constant Resistance" dialog.
4. Activate the "Enabled" menu item.
When operates in sink mode condition, the R&S
NGU displays the "Constant
Resistance" icon on the channel status bar information.
5. Set the required resistance.
The R&S
NGU displays the on-screen keypad to set the value.
6. Confirm value with the unit key (m
Ω
or
Ω
).
The value for "Constant Resistance" is rounded to the nearest 1
Ω
or 0.1
Ω
,
depending on the value.
Activating the channel output