Acquisition Controls
TDS3000 Series User Manual
3–11
Acquisition Resolution. You can choose either Normal or Fast Trigger
acquisition resolution. This setting determines the record length that
is acquired and affects the other factors shown in the table below.
Factor Normal Fast trigger
Record length 10,000 points 500 points
Maximum acquisition rate
(approximate)
450 waveforms/s 3,000 waveforms/s
Maximum horizontal zoom factor 200X 10X
Choose Normal or Fast Trigger acquisition resolution based on the
characteristics of the signal you want to acquire.
Signal characteristic Better choice
Large amount of horizontal detail Normal
Shape is stable or changes relatively slowly Normal
Single shot Normal
High trigger repetition rate Fast Trigger
Shape changes rapidly Fast Trigger
Contains modulation Fast Trigger
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