| General > General Technical Chat |
| Review: Hantek DDS 3X25. Anyone own one? |
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| saturation:
Yes, its built around LV CMOS. --- Quote from: Lunat1c on May 25, 2011, 08:27:31 pm ---just to confirm that I'm not misinterpreting the spec sheet of this device... is the maximum amplitude really +-3.5V? --- End quote --- |
| Mechatrommer:
--- Quote from: Lunat1c on May 25, 2011, 08:27:31 pm ---is the maximum amplitude really +-3.5V? --- End quote --- not anymore, if you want to put some effort on it... preliminary: https://www.eevblog.com/forum/index.php?topic=3182.msg47122#msg47122 |
| saturation:
Wow, that's awesome. Not sure why I never saw that reply, fantastic work mecha! Will review it through. --- Quote from: Mechatrommer on May 25, 2011, 10:36:19 pm --- --- Quote from: Lunat1c on May 25, 2011, 08:27:31 pm ---is the maximum amplitude really +-3.5V? --- End quote --- not anymore, if you want to put some effort on it... preliminary: https://www.eevblog.com/forum/index.php?topic=3182.msg47122#msg47122 --- End quote --- |
| Mechatrommer:
just by coincident, reply #161 and the link are about the same time posted this early morning. |
| nubelube:
Is anyone else having problems with the SOFTWARE having a resource leak? Specifically, it allocates handles and then doesn't release them. Eventually (after an hour or so) the software crashes because it has exhausted the resources. Using "Process Explorer" I have confirmed this on at least two computers (one XP and one Windows 7). I contacted Hantek a few months ago but got no response. My apologies if any of this is redundant -- I did a quick search but didn't find anything related. This thread is impossibly long, but it appears to still be active (and bad software still seems on topic with whether to buy the device), so I decided to post in here. p.s. It has been a few months since I looked into it, but I know that the file handle issue is a problem with the software. The DDS-3x25 is perfectly stable when controlled through LabView. In fact, I made a half-assed attempt to write a LabView implementation of the native software, but gave up after a few hours of trying to figure out LabView hooks into native drivers. The API is actually pretty damn simple, but I want the pretty pictures; my current workaround is to just start the software and then suspend it whenever I'm not actively making changes. (Edited to remove a paragraph about bad download on Hantek website -- I emailed them simultaneously with my post and they fixed it.) |
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