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Hantek HDG2002B AWG: 5Mhz or 100MHz? Let's see!

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alex.forencich:
Mine crashed and rebooted itself while I was poking around in the settings pages.  Do you know if there is somewhere we should be reporting these sorts of bugs?  The hantek site does not even seem to have the firmware available for download, so where are we supposed to get the latest firmware, presuming they actually fix any of the issues?

idpromnut:

--- Quote from: alex.forencich on October 25, 2014, 10:40:27 pm ---Mine crashed and rebooted itself while I was poking around in the settings pages.  Do you know if there is somewhere we should be reporting these sorts of bugs?  The hantek site does not even seem to have the firmware available for download, so where are we supposed to get the latest firmware, presuming they actually fix any of the issues?

--- End quote ---

I suspect that there will probably not be any firmware updates... at least not in the foreseeable future.  I emailed Hantek about getting a firmware update several months ago and never got a reply.

alex.forencich:

--- Quote from: idpromnut on October 25, 2014, 11:31:29 pm ---
--- Quote from: alex.forencich on October 25, 2014, 10:40:27 pm ---Mine crashed and rebooted itself while I was poking around in the settings pages.  Do you know if there is somewhere we should be reporting these sorts of bugs?  The hantek site does not even seem to have the firmware available for download, so where are we supposed to get the latest firmware, presuming they actually fix any of the issues?

--- End quote ---

I suspect that there will probably not be any firmware updates... at least not in the foreseeable future.  I emailed Hantek about getting a firmware update several months ago and never got a reply.

--- End quote ---

I'm beginning to think that picking one of these up may have been a waste of money due to shitty software.  Here are the issues that I have found so far:

- Crash and reboot in settings pages (can't remember exactly what I did, haven't tried to reproduce it either)
- Very annoying digit selection shift when using the wheel and a digit is added or removed (9 MHz with 9 selected, adjust up to 10 MHz, and the selection moves off of the 1 MHz place)
- Very laggy knob - if it can't process events fast enough, it should coalesce them and make a bigger step
- Very limited rate selection for arbitrary rate (no or very limited internal decimation, it seems)
- Poorly/undocumented commands for remote arbitrary waveform loading
- Very little documentation for digital output/no documented remote commands that I have seen so far

And probably more issues I have not seen yet.  This was all from playing around with it for a half an hour and reading over the manual. 

idpromnut:

--- Quote from: alex.forencich on October 25, 2014, 11:40:59 pm ---I'm beginning to think that picking one of these up may have been a waste of money due to shitty software.  Here are the issues that I have found so far:

--- End quote ---

Yeah, when I picked this unit up, I sort of figured it would be more of a what you get is all you get kinda thing. It basically works so I'm not going to complain too much. I might get rid of it and pick up a better unit (Rigol or something else) if I need it, but really, for me as a hobbyist, I can't spend the kind of money that a better unit would set me back.

alex.forencich:

--- Quote from: idpromnut on October 25, 2014, 11:56:48 pm ---
--- Quote from: alex.forencich on October 25, 2014, 11:40:59 pm ---I'm beginning to think that picking one of these up may have been a waste of money due to shitty software.  Here are the issues that I have found so far:

--- End quote ---

Yeah, when I picked this unit up, I sort of figured it would be more of a what you get is all you get kinda thing. It basically works so I'm not going to complain too much. I might get rid of it and pick up a better unit (Rigol or something else) if I need it, but really, for me as a hobbyist, I can't spend the kind of money that a better unit would set me back.

--- End quote ---

I mainly wanted one for the large sample memory.  I have a Tek AWG2021 that also does 250 MSa/sec, but the memory depth is very limited.  I was just hoping that the Hantek device could be useful enough as a standalone unit. 

I wonder if there is anything to be said for building open source firmware for it?  I can write the FPGA code if there are people who would be interesting in working on the user interface. 

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