Operator’s Manual Simple TrueArb
Application
49
If
External
is selected, the sampling clock is synthesized using the clock provided externally to
the Ref.Clock In SMA connector.
When the External is selected, the Reference Clock[Hz] control will appear and the user needs to
specify the Reference Clock frequency[Hz].
Trigger
The Trigger settings are common for all the channels
Trigger In Setting
Description
Source
Trigger Button:
the Trigger event is provided to the instrument by the
Trigger button on the keyboard or Trigger button on the menu bar or
from a Remote Command.
Timer:
The Trigger event is internally generated by a Timer. The Timer
count interval is set by Interval [s] textbox.
Trigger In Connector:
the Trigger event is generated by the signal applied
externally on the BNC connector (TRIGGER IN) when it crosses the
selected Threshold with the selected Slope. You can select Threshold
value and Slope using the relative textbox and slider.
Note:
The Trigger buttons and the Trigger from remote command are
always active, independently from the selecting Trigger Source.
Interval [s]
Sets the timer count interval. It has effect only when the trigger Source is
Timer. The edited value is automatically rounded to the closest value that
the hardware can implement.
Edge
The Slope can be positive or negative. When Rising Edge is selected the
trigger is detected
when the signal on the “TR
IGGER
IN”
BNC connector
crosses the threshold from low to high. The Falling Edge option is the
