Products > Test Equipment

USB logic analyzer - what's the current "favorite" for ~150$? Hantek 4032L?

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toli:
Thank you for this comment. Regarding external clock, I have no need to know exactly what it is in the software time stamps, as long as I can export all the data to CSV and process it in MATLAB. The question there was about the clock frequency the HW can support - I can't find a straight answer in the device datasheet about the maximum clock frequency I can use in this mode, this will probably be limited by the speed of the IO buffers and comparator they use. I'd guess 150MHz BW as they claim should support 150MHz clock, but one can never be sure unless its in the datasheet or someone else can test it :)

maginnovision:

--- Quote from: toli on July 05, 2018, 09:32:50 pm ---Thank you for this comment. Regarding external clock, I have no need to know exactly what it is in the software time stamps, as long as I can export all the data to CSV and process it in MATLAB. The question there was about the clock frequency the HW can support - I can't find a straight answer in the device datasheet about the maximum clock frequency I can use in this mode, this will probably be limited by the speed of the IO buffers and comparator they use. I'd guess 150MHz BW as they claim should support 150MHz clock, but one can never be sure unless its in the datasheet or someone else can test it :)

--- End quote ---

I would expect 150mhz to be the limit. If you just need to export data I suspect using the sigrok CLI should work for you in which case I'd say go for it.

17_29bis:

--- Quote from: abraxa on July 05, 2018, 09:25:43 pm ---Of which exactly $0 went towards sigrok, by the way. Not even a single line of usable code because they not only didn't want to work with us, they actively sabotaged any effort of upstreaming anything.
...which are all features that the sigrok team (and community, in the case of protocol decoders) is responsible for - including the Cypress FX2 firmware that the DSLogic uses.
Seriously? You applaud them for taking our work, making the UI look "fancy", making money off of it of which we see exactly zero, adding some minor features here and there and then crap on us for having neither the man power nor the time to do the same? Hint: none of us gets paid and we support a wide range of devices - not just one. Making things work for one device is easy, making stuff work for *all* devices is not.

--- End quote ---

All this is very strange. I am the END USER who found DSLogic on the web, checked the specs and bought the device before I  even heard the name sigrok. "0$ dollars, you applaud" - what are you talking about?  And what is even more what am I supposed to do now? Throw it way, ask for refund, start drinking heavily due to the guilt? if you have a problem with dev. of DSLogic then deal with them in civilized way withing drawing the people who has nothing to do with that into it.

1anX:
DSLogic Plus which is what I purchased and it seems is under your consideration has just released an updated version of their software (based originally on Sigrok as others have pointed out). The software I have been using was V0.98 and I have just downloaded the update V0.99 this week and will install sometime soon.

I like their software, (DSLogic) and have zero problems in using it. My previous experience with Sigrok software and Win 10 and Linux was frustrating to say the least so by using DSLogic's program I was up and running immediately.

Download latest V0.99 here >   http://www.dreamsourcelab.com/download.html

SMB784:
So I bought the $60 Chinese knockoff of the DSLogic basic, soldered in a $3 sdram chip onto the unpopulated SDRAM slot on the board (creating the equivalent of a $100 DSLogic Plus knockoff), and installed sigrok pulseview on my Raspberry Pi 3B+. The specs on the DSLogic Plus are 400 MS/s sample rate, 256MByte capture memory, and claimed 50 MHz bandwidth, though I suspect that it is much higher, maybe as much as 150 MHz judging by the sample rate

When you build it from the source according to the website instructions, pulseview works flawlessly with this device. Bang for buck, the aforementioned setup beats the pants off of the Hantek, and can handle almost anything you throw at it.

A couple years back i was an extreme sigrok skeptic, but they have worked hard and have released enough updates that I am really very pleased with sigrok, it's great software and you can't beat free

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