Operating basics
R&S
®
NGU
40
User Manual 1179.2531.02 ─ 03
The shortcut key is configurable in the "Device" > "User Button" menu. See
5.3.2
Navigation controls
Navigation in the menu and setting of values can be done via rotary knob and [Back]
key.
Rotary knob
The rotary knob has several functions:
●
Increments (clockwise direction) or decrements (counter-clockwise direction) any
kind of numeric value when in editing mode
●
Navigates up (clockwise direction) or down (counterclock-wise direction) the menu
or menu items when rotated
●
When pressed and rotated, the rotary knob navigates along the set voltage or cur-
rent position in the home window
[Back] key
Using the [Back] key, you can do several things:
●
Navigate to the previous menu window
●
Close or discard changes made on the on-screen keypad
●
Close the instrument pop-up messages
5.3.3
Output and channel controls
The R&S
NGU is a single channel source measure unit which comes in the following 2
quadrant R&S NGU201 model and 4 quadrant R&S NGU401 model. Both models can
output source current or sink current.
Function keys
Description
[Output]
Master output switch - it turns output on or off.
5.4
Power derating
The R&S
NGU output a continuous voltage range of 0 V to 20.05 V with up to -20.05 V
for the R&S NGU401 model. The instrument provides a source of up to 8.01 A for volt-
age up to 6 V and 3.01 A for voltage range from 6 V to 20 V; the single channel source
measure unit generates an output power of up to 60 W.
Combination of the set voltage and current limit results in the following output perfor-
mance graph.
Power derating
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