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Alrie

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About Alrie

  • Birthday 11/26/1996

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  • Gender
    Male
  • Location
    Munich, Germany
  • Interests
    electronics and embedded software (duh), rockets, music, gaming and a bunch of other nerd stuff

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  1. Hello everybody, i'm sporting an AD Pro 3450 and looking for a way to filter for glitches in the waveforms logic analyzer, similar to the ones circled in red here: I'm getting these on one of my SPI lines and the noise is messing with the logic analyzer function. As you can see, some bytes are not interpreted correctly due to the spikes, so i'm looking for a glitch filter function that goes "ignore all pulses shorter than n nanoseconds". As this seems like a fairly straight forward thing, sorry if i'm being stupid and can't find it (i've spent time googling, i swear 😁) Obligatory; i tried fixing the issue in hardware, but wasn't successful, despite rerouting the probe cable and changing some pin settings of the SPI master. Putting an Analog Probe on that line doesn't show any substantial noise, so it looks like the problem originates in the scope and there might be crosstalk in the frontend of the digital inputs. If waveforms doesn't have a simple glitch filter function like what i'm looking for, i'd ask if there is either some other function to achieve the same thing (i.e. adjust the threshold voltage between logic high and logic low) or some sort of automation interface in waveforms that i could use (i.e. custom protocol scripting, or custom filter scripting or similar). I'd appreciate any help! And wish all of you a good start into the new year :)
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