
Chapter 6
Triggering
Digital storage oscilloscopes can do most of the things that analog
oscilloscopes can do, as well as a number of things that they can't.
So it is not surprising that many of the controls on the two types of
instruments are very similar. This applies to the trigger department
as well as other departments. Thus DSOs usually offer a choice of
INTERNAL TRIGGER from CHANNEL 1 or CHANNEL 2 (on a two
channel instrument, or any of the channels on a four channel
instrument), or EXTERNAL TRIGGER. Most instruments offer an
EXT+10 input to increase the dynamic range of acceptable
external trigger signals. ...