2.8 Signal acquisition system
[ACQUIRE]
is a function key of the signal acquisition system.
Cursor Signal
acquisition Save
Default setup
Measure
Display
Auxiliary
Help
Figure 2-37 Menu keys
Table 2-28 function keys of the signal acquisition system:
Option
Setup
Description
Acquisition
mode
Sampling
Peak value
detection
Average value
For acquiring and accurately displaying
waveform
For detecting burrs and reducing “Fake wave
phenomenon”.
For reducing random or unrelated noise in
signal display.
Average time
( 4, 16, 32,
64 , 128 , 256 )
Select average time.
Interpolation
type
Sine
Linear
Enable sine interpolation
Enable linear interpolation
Sampling mode
Real-time
sampling
Set the sampling mode as real-time
sampling
Sampling rate
Display the sampling rate of the system
■
Sampling:
The oscilloscope samples the signal at uniform time intervals to form a
waveform.
Advantage:
Signals can be accurately shown at the mode in many cases.
Shortcoming:
Quickly changing signals possibly generated between sampling
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