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| Yet another scope recommendation |
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| BenjiBango:
Hello Everyone. As the title say, I am in search of a good scope for private use and possibly home office with a budget of about €1500 (~$1650). The stuff that usually (about 80%) will be looked at is UART, I2C, SPI, RS232, voltage measurement in the two-digit mV area, and such stuff. A colleague once recommended the MSO5074, which seems to be a pretty decent device, and is apparently regarded as the best sub-€1000 scope. Beyond that, the SDS2104X Plus is recommended. What makes me just pull my hair is that both scope are not that young, and the entries in the forums are not "new". So do they still hold up to more current ones, like the DHO1074 or SDS1104X HD, which is kind of in between both the MSO5074 and the SDS2014X Plus. MSO5074 + Currently cheap (€950) + 350 MHz probes included + Samplerate - noise - Pop-Up GUI (overlapping menu/measurments) - most likely no more firmware updates (Last update 2020) SDS2104X + Apparently decent 10bit mode + 500 Mhz max (even if only on 2 Ch.) - need to buy decent probes on top DHO1074/SDS1104X HD + 12bit - "only" 200 Mhz max - need to buy decent probes on top (but less expensive as with the SDS2104X) I tried to read every forums post and watch most likely every video on yt, but either it is at some point to much information or to less... basicly the idiom "You can't see the forest for the trees". Maybe someone wants to chime in and leave their advice. Thanks in advance. |
| Doctorandus_P:
Far to little info from your side to recommend a scope in the EUR1500 price range. I recently bought an Siglent SDS1104X-E for EUR450 and it's already a much better scope then I need. 12-bitters are now becoming more main stream, and having more resolution is nice, but it's also limited as long as the general accuracy of your scope is still 5% or so and the resolution of the display is much lower. I guess you are better off with a relatively cheap "main stream" scope like that, and then save the rest of the money to buy a better scope when you both really need it, and you know what you need. Also, if you have a decent scope, you can also sell it again second hand for a decent price when you want to upgrade your scope. If you want a decent advice for a scope in the EUR1500 price range, you will have to give a whole lot more information about the things you want to do with it. |
| TomKatt:
Do you really need a $1K+ scope for that? And as much as a scope capable of checking signal integrity, you might also consider a dedicated LA with more decoding (and pattern triggering) capabilities than a scope can provide if your work involves sniffing data transmissions. I only have experience with my Siglent gear, but I'd think a 200Mhz SDS800X HD series scope would be sufficient for that kind of work. I do a lot of ucontroller projects with I2C / SPI / UART and my previous SDS1104X-E (upgraded to 200MHz) performed more than adequately. I also used a DSlogic Plus LA for serial decoding. Probably less than $600 for the pair. |
| egonotto:
Hello, if you can still wait then a Siglent SDS804X HD € 486,71 Siglent SLA1016 Logic Probes € 342,72 Siglent SAG1021I € 165,41 Together € 994,84 could be a good solution. Best regards egonotto |
| BenjiBango:
--- Quote from: Doctorandus_P on June 05, 2024, 05:01:14 pm ---If you want a decent advice for a scope in the EUR1500 price range, you will have to give a whole lot more information about the things you want to do with it. --- End quote --- I'll try to answer as best as I can: Troubleshooting and "verification" for several interfaces with higher bandwidth (uSD, USB, RGMII, LVDS, CSI). Sure some is diffpair, but for a initial test it is sometimes nice to see if this interface works at all. Same for uSD interfaces or Q/OSPI. For glitch searching a zone trigger would be really helpfull or at least the bigger memory. A half decent FFT for discovering unwanted frequencys would also be nice to have. Setting up proper eye digrams. At least I would hope for a more fluent and faster verification of interfaces. Some kind of "future proof" equipment. I would rather have more headroom then fighting with equipment or rebuying stuff. The budget is also rather the upper limit, but of course I looked at the upper boarder. Our go-to scope is a normal Rigol DS1000 which works fine, but you sure feel the limitations here and there (i.e I wrote my own GUI to capture pictures). --- Quote from: TomKatt on June 05, 2024, 05:16:44 pm ---Do you really need a $1K+ scope for that? And as much as a scope capable of checking signal integrity, you might also consider a dedicated LA with more decoding (and pattern triggering) capabilities than a scope can provide if your work involves sniffing data transmissions. --- End quote --- Sure an LA is handy and nice to have. Especially if it would have more then 16 channels (^^), AFAIK DSLogic have one with 32 channels wich would had been nice a few weeks ago. |
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