Fluke 199C/S FE 192,196,199 C Users Manual - Page 25

Displaying Glitches, Suppressing High Frequency Noise, Waveform Options, Glitch Detect:

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Displaying Glitches To capture glitches on a waveform, do the following: 1 Display the SCOPE key labels. 2 Open the Waveform Options menu. 1 Using The Scope Using Average, Persistence and Glitch Capture Suppressing High Frequency Noise Switching Glitch Detect to Off will suppress the high frequency noise on a waveform. Averaging will suppress the noise even more. 1 Display the SCOPE key labels. 2 Open the Waveform Options menu. 3 Select Glitch Detect: On 4 Exit the menu. You can use this function to display events (glitches or other asynchronous waveforms) of 50 ns (nanoseconds) or wider, or you can display HF modulated waveforms. When you select the 2 mV/div range Glitch Detect will be turned Off. In the 2 mV/div range you can set Glitch Detect On . 3 Select Glitch Detect: Off, then select Average: On to open the Average menu 4 Select Factor : 8x Tip Glitch capture and average do not affect bandwidth. Further noise suppression is possible with bandwidth limiting filters. See Chapter 1: "Working with Noisy Waveforms". 17

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Using The Scope
Using Average, Persistence and Glitch Capture
1
17
Displaying Glitches
To capture glitches on a waveform, do the following:
1
Display the
SCOPE
key labels.
2
Open the
Waveform Options
menu.
3
Select
Glitch Detect: On
4
Exit the menu.
You can use this function to display events (glitches or
other asynchronous waveforms) of 50 ns (nanoseconds)
or wider, or you can display HF modulated waveforms.
When you select the 2 mV/div range Glitch Detect will be
turned Off. In the 2 mV/div range you can set Glitch Detect
On .
Suppressing High Frequency Noise
Switching
Glitch Detect
to
Off
will suppress the high
frequency noise on a waveform. Averaging will suppress
the noise even more.
1
Display the
SCOPE
key labels.
2
Open the
Waveform Options
menu.
3
Select
Glitch Detect: Off
, then
select
Average: On
to open the
Average
menu
4
Select
Factor :
8x
Tip
Glitch capture and average do not affect
bandwidth. Further noise suppression is possible
with bandwidth limiting filters. See Chapter 1:
“Working with Noisy Waveforms”.