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| Siglent SDS1104X-E vs. Rigol DS1054Z Advice? |
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| tautech:
--- Quote from: KungFuJosh on August 24, 2018, 02:05:21 am --- And even though I don't care at all about the WiFi module, I'm interested in it for one reason: the TP-Link adapter model (TL-WN725N) that Siglent charges $70 for is available for $10 or less, and I'm curious if I could get the cheap one to work. I dunno if anybody has tried or not, I haven't looked yet. Thanks, Josh --- End quote --- They work for sure ! I got the gold versions very early on and they are the right version. Latest FW indicates additional versions have been added, maybe the bit cheaper silver version but TBH I don't know for sure. Should you ever want to pop the display onto a wireless device this option is excellent for this. My iPhone 4S is a little too old to work with it but later ones do. It's also great for grabbing screenshots on a remote laptop or tablet where you can then shift them on without even needing a USB stick. Others have worked around using the USB WiFi dongle by adding a LAN to WiFi module and powering it from the rear USB. Still the WiFi dongle is the neatest solution IMHO. There is however a PSK character # restriction currently that's been bought to Siglents attention so hopefully the next batch of FW will allow for a longer PSK. |
| JS:
--- Quote from: KungFuJosh on August 24, 2018, 02:05:21 am --- --- Quote from: JS on August 24, 2018, 01:41:44 am ---Only if you plan to use 4 chanels at 100MHz BW signal. If using 2 channels the rigol has 500MSa/s which should be enough for a 100MHz signal, so still useful there but only using 2 channels. While the siglent using 2 channels you can get 1GSa/s, and using only one channel both 1GSa/s. I went for the Rigol because was waaay cheaper to get for me, I would have to pay twice to get the Signlent, as shipping rates from stores where it was available to ship to me were way higher, like 3 times what I payed for the Rigol shipping. YMMV here, so with a closer price the fight is open. Then there are a few other differences, the bode plotting looks great, probably better with a dedicated signal generator than the optional one for the scope, but still not great as it has many limitations. The ability to add the logic analyzer later is a nice one too, for having a MSO as the time comes, and money and needs agreed on this, but is an expensive option to have a logic analyzer compared to many other out there, and going to the PC as usual as I do I can mix them there (analog and digital) for the time where it's needed) JS --- End quote --- For my current needs, they're both overkill. The issue is that people keep giving me ideas of how I might use them, and some of them sound reasonable. For me, the difference in price will be about $140 between the two units, and I get free shipping. In all honesty, being the tech/computer type that I am, it bothers me to pay for an old computer. From that perspective, and for an extra $140 I get a newer computer with 1M FFT, double the multi-channel sampling, built-in web server, 400VDC input, and the POTENTIAL for other crap I probably won't use. I probably won't ever use the logic input, but it's there. I dunno if I'd ever shell out any cash for their AWG addon, but the option is there. And even though I don't care at all about the WiFi module, I'm interested in it for one reason: the TP-Link adapter model (TL-WN725N) that Siglent charges $70 for is available for $10 or less, and I'm curious if I could get the cheap one to work. I dunno if anybody has tried or not, I haven't looked yet. Thanks, Josh --- End quote --- I see what you say about buying old gear, but note that the ADC/ASIC is not any newer on the siglent, just has two of them. 1M FFT is nice, I won't go against that, but I process so much data on the PC that that doesn't bother me, I just pick the data from matlab or something like that directly over lan or USB, and then I have a 24M FFT. Same thing with the web server, much better than a crappy app that runs only on windows which I don't use, but as I say, I take the data directly from the software I process, not the app, web server or any other way basically. The options are all SW+HW, so you need to get both, the TP-link will probably work but you need the SW option to go with it, I don't know if there are walkarounds the options, if there aren't they will eventually. The AWG gen isn't that great, compared to a dedicated AWG and the price difference (those $140 will cover that difference) but the ease of use with a siglent AWG and the signlent scope I belive is not there with the Rigol. Again solved with little work if connected to the network, being a PC guy that shouldn't be so harsh. Also, I can see the use of the optional AWG in the field, if you need to go out with both, the optional AWG fits in a pocket of the scope's bag. I think dave said it while looking at the Siglent, is a tight match, it has quite a few extra features but nothing game changing, and the price is a bit higher but not too much to not consider it. It does depends on your needs, your pocket and your future planning, you might be better putting those $140 there or you might be better putting those on some extra gear, for me the difference was twice as much so I didn't even considered twice, after looking for quite a while I couldn't get the Siglent delivered under $700+ or something like that, cheapest shipping was $200 and wasn't the cheapest seller for the scope to start with and got the rigol as listed with $70 shipping. That, on top that I've just finished the university so I'm rigging up the lab completly, I got a 121GW, as a logging DMM that I needed, I need to get some lab PSU and signal generator, a truck of different probes for the scope as I work with audio (low noise, low level signals) and industrial (not so low nothing) plus current probes, etc. so I knew I better saved the bux for the other stuff as well. JS |
| tautech:
--- Quote from: JS on August 24, 2018, 02:43:00 am ---<snipped> a truck of different probes for the scope as I work with audio (low noise, low level signals) and industrial (not so low nothing) plus current probes, etc. so I knew I better saved the bux for the other stuff as well. --- End quote --- So you missed the X-E spec of full BW 500uV/div range and not some multiplication/magnification of 5mV/div ? Use a 1x probe on sensitive circuits and you'll see why this matters to some. |
| JS:
--- Quote from: tautech on August 24, 2018, 02:50:29 am --- --- Quote from: JS on August 24, 2018, 02:43:00 am ---<snipped> a truck of different probes for the scope as I work with audio (low noise, low level signals) and industrial (not so low nothing) plus current probes, etc. so I knew I better saved the bux for the other stuff as well. --- End quote --- So you missed the X-E spec of full BW 500uV/div range and not some multiplication/magnification of 5mV/div ? Use a 1x probe on sensitive circuits and you'll see why this matters to some. --- End quote --- I wish I have it, yes, I can't live without it, meh, would I pay $350 for that difference, hell no! Audio circuits aren't as sensitive for 1M and a few pf load, so X1 probes are fine, even more in the low level signals where impedances are even lower than usual. Then, as all signals lives within reasonable rails and are low bandwidth building a low noise amplifier for those is a breeze. I haven't come across the need quite yet but I know I can, but I have options there. There are many many differences between the two... Update rate, record mode/segmented memory, CAN/LIN decoders, are some I haven't seen in this thread. Don't get me wrong, if I could have gotten it for a reasonable prize difference I'd probably had gone for the Siglent, but only then is a tight choice. Now, if the Rigol is already overkill for his needs justifying the extra $$ is hard, even if you have it always can go to a different corner of the lab, as soon as he gets the scope he will see the need for a signal generator, or something else. In my case, I do get a few jobs I need to bring into the lab and there's when it comes to use, when will I need the difference between one and the other I don't know, but at some point I will, I hope I will be able to justify some higher model by that point so I make a bigger jump. JS |
| tautech:
--- Quote from: JS on August 24, 2018, 04:46:32 am --- --- Quote from: tautech on August 24, 2018, 02:50:29 am --- --- Quote from: JS on August 24, 2018, 02:43:00 am ---<snipped> a truck of different probes for the scope as I work with audio (low noise, low level signals) and industrial (not so low nothing) plus current probes, etc. so I knew I better saved the bux for the other stuff as well. --- End quote --- So you missed the X-E spec of full BW 500uV/div range and not some multiplication/magnification of 5mV/div ? Use a 1x probe on sensitive circuits and you'll see why this matters to some. --- End quote --- I wish I have it, yes, I can't live without it, meh, would I pay $350 for that difference, hell no! Audio circuits aren't as sensitive for 1M and a few pf load, so X1 probes are fine, even more in the low level signals where impedances are even lower than usual. Then, as all signals lives within reasonable rails and are low bandwidth building a low noise amplifier for those is a breeze. I haven't come across the need quite yet but I know I can, but I have options there. --- End quote --- Good you can see the differences and know if they'll matter to you. :-+ --- Quote ---There are many many differences between the two... Update rate, record mode/segmented memory, CAN/LIN decoders, are some I haven't seen in this thread. --- End quote --- All visible in datasheets. ;) --- Quote ---Don't get me wrong, if I could have gotten it for a reasonable prize difference I'd probably had gone for the Siglent, but only then is a tight choice. Now, if the Rigol is already overkill for his needs justifying the extra $$ is hard, even if you have it always can go to a different corner of the lab, as soon as he gets the scope he will see the need for a signal generator, or something else. In my case, I do get a few jobs I need to bring into the lab and there's when it comes to use, when will I need the difference between one and the other I don't know, but at some point I will, I hope I will be able to justify some higher model by that point so I make a bigger jump. JS --- End quote --- Yeah that was the killer for you.......all up price with freight. Shame your local Siglent guys weren't a bit more competitive. :-// |
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