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Measurement Extensions to Support Multiple Channels


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Peggy

Sometime we need measurements from both SCL and SDA lines simultaneously, but now the measure extension could only support one channel.


Edit from Saleae: We changed the title to more easily find this idea post.

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Daniel

Made an account just to support this change. This is something basic that is supported by many competitors. what good is having multiple channels on the logic analyzer if they can't be measured against each other?


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Imad

Hello Saleae's Team,
Is this feature something you are planning to add any soon?


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Tim

This is currently not on the roadmap


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I have a direct current sensor amplifier hooked up to a salae logic analyzer that converts the voltage sensed from two channels to build a current profile. My hope is to build a custom analog measurement that takes the voltage from the two channels across an interval, and convert it to current. I see the measurement extension, and while it's great, I noticed you can't have a measurement from two different channels. It would be great if you hadd that extensibility.
Thanks!


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Tim

Merged with: Have measurement extension combine from two different channels

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Richard

I'd really like to be able to measure the dither between a falling edge of 1 channel and the rising edge of another in a pulse train. Currently I can only measure the statistics of a single channel or I have to export the data and post process it myself. I've attached a snapshot of the pulse train and an example of a measurement I'd like to repeat and get statistics for over the whole measurement sample.


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Imad

This sis exactly what I am looking for!
Do we have any news regarding such a feature?


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Tim

You would need to add a separate measurement box for each channel you'd like to measure.

What kind of multi-channel measurements would you plan on making? Would you prefer to draw the measurement box over multiple channels simultaneously?

Let us know any specifics on how you'd like this implemented, and any details on your use case as well. This will help give us a better idea of the problem needed to be solved. Thanks!


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Henri

Hey is this multi channel measurements / analyzer support already added? I would like to draw over two channels and calculate differential RMS voltage -> power over shunt resistor with this method?


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Tim

Unfortunately, we haven't added support for this. Having said that, I did want to point out the feature request post below as well, since it seems to be relevant for your requirements.
ideas.saleae.com/b/feature-requests/analog-transformation-functions/


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