Problem with decreasing sample interval

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Mustafa
Newbie
Posts: 0
Joined: Mon Feb 03, 2020 10:27 am

Problem with decreasing sample interval

Post by Mustafa »

Hello Pico Technology Team,

Picoscope 2405A
Python 3.7
Ps2000aStreamingExample.py from the Github Wrapper

I'm getting out a signal from a device as shown in figure 1, Then I'm decreasing the sample interval trying to get 1 signal sample that would look like Figure 2.
Figure 1
Figure 1
Figure 2
Figure 2
the problem is that as less the sample interval as less possible to get out the required sample, it gives me most of the times the threshold that looks like Figure 3.
Figure 3
Figure 3
so how can I fix the signal sample to give me the same output every time ?

Thanks in advance!

Best Regards
Mustafa

NeilH
PICO STAFF
PICO STAFF
Posts: 201
Joined: Tue Jul 18, 2017 8:28 am

Re: Problem with decreasing sample interval

Post by NeilH »

Hi Mustafa

If you are wanting to have a repeatable capture you would most likely need to use block mode with a trigger rather than streaming mode.

Neil
Neil
Technical Support Engineer

Mustafa
Newbie
Posts: 0
Joined: Mon Feb 03, 2020 10:27 am

Re: Problem with decreasing sample interval

Post by Mustafa »

Hi Neil,

Oh! that didn't come to my mind ':D

Thanks a lot it worked really well!

Mustafa

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