Products > Test Equipment
New Hantek DSO2X1X models?
simba15:
So with regards to the noise that is picked up by the scope.
Its not too bad (with proper ground) but it is certainly noticeable when looking at small signals or compared to other devices.
Is there a remedy for this? I have see lots of ideas in this thread but it seems there is no definitive solution
I seem to have the older power supply design.
Thanks.
michael41742:
--- Quote from: simba15 on February 24, 2023, 05:01:40 pm ---So with regards to the noise that is picked up by the scope.
Is there a remedy for this? I have see lots of ideas in this thread but it seems there is no definitive solution
I seem to have the older power supply design.
Thanks.
--- End quote ---
The noise is about 250uV with no probes attached.
You could use probe with ground spring to minimize RF-noise pickup.
Unfortunately Hantek probes come without ground spring but you can easily do it yourself.
simba15:
Thanks, I will try some old TEK ones and see if that improves.
Any other improvements that could be made to the Power supply?
masta_k74:
There is not much that can be done to improve the power supply as far as interference is concerned. I bought a decent oscilloscope (Siglent SDS 1104X-E, hacked to 1204X-E) for home use. I took my Hantek device with me to our hobby car workshop. For measurements on a car, the device is absolutely sufficient, as it is very rarely a matter of such small signals that the interferences could become a problem. Here, an expensive oscilloscope would also be much too bad, because you can certainly imagine how the device will look after some use.
Prerunning:
Mine was "bricked / boot looped". Upping the points to 400K+ regularly crashed it but a few days ago it finally boot looped so bad i couldn't change any setting or hit stop before the scope would lock up.
Reboot.
Repeat.
I had to recover with FEL using the CLI tools from this post.
My OG backup is safe. When i restore it carries over the higher memory depth and same boot loop. But the calibration should be good?
The AFG is pretty much unusable now. Im still working on extracting the calibration from my backup, but i got side tracked once it stopped crashing...
FYI
I updated the fpga fw which fixed my HORRIBLE crashing issue. The scope is actually useable now. I can use 8m on both channels and the scope hasnt crashed since.
I tried the basic software update and applied the 150mhz hack a few months ago with a usb stick in the front port but it didnt do much for the crashing issue and noisy signal.
This scope really seemed like a broken design. Pretty discouraging when the Hantek update didnt fix the freezing or anything else, but DONT give up. This is a great hobbyist scope once it stops crashing. Update the fpga fw then crank up the points and enjoy.
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