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| Rohde & Schwarz Oscilloscopes - Questions/Comments? Let me know! |
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| Ice-Tea:
Funny story: I was in an R&D lab in Shenzen earlier this year. On their benches they had LeCroy and Keysight scopes. The Rigols were in the closet. Literally. Sad day when the Chinese recognise quality and we don't... |
| glowman:
See... Serious engineers do not want to deal with instabilities, and reliability issues. R&S really need to be serious about making their scopes well. Assuming hardware wise scopes are more or less similar (except for R&S custom asic), they should do "very" well in their firmware to set them apart from cheap Chinese counterparts. Tek, Lecroy and Keysight had proven themselves to be trustworthy brands so I really hope R&S has that goal as well for their scopes line. Hardware wise, they have to be very careful in choosing OEMs who can provide the level of quality. 1 of 4 probes of my RTB2004 has loose connection on the x1x10 switch. These small quirks could really affect the overall reputation of R&S. |
| nctnico:
--- Quote from: glowman on July 14, 2018, 05:54:24 am ---See... Serious engineers do not want to deal with instabilities, and reliability issues. R&S really need to be serious about making their scopes well. --- End quote --- I agree. Still R&S made it very hard for themselves by putting so many functions in the RTB2000 and RTM3000 and by organising the firmware the way they did. The end result is good but it takes a lot of work. --- Quote ---Hardware wise, they have to be very careful in choosing OEMs who can provide the level of quality. 1 of 4 probes of my RTB2004 has loose connection on the x1x10 switch. These small quirks could really affect the overall reputation of R&S. --- End quote --- You are not supposed to use the probes which come with a scope. I have an RTM3004 on my bench but I'm going to buy a bunch of Testec probes for it so I can mix & match the accessoires between probes. Last week I misplaced one of the spring-hooks for the probes which came with the RTM3004 and I couldn't use the ones I have sitting in my accessoires tray. |
| 2N3055:
--- Quote from: Ice-Tea on July 13, 2018, 08:21:45 am ---Funny story: I was in an R&D lab in Shenzen earlier this year. On their benches they had LeCroy and Keysight scopes. The Rigols were in the closet. Literally. Sad day when the Chinese recognise quality and we don't... --- End quote --- Chinese suffer from brand snobbery even more than the rest of us. It is a sad day when brand worship replaces reality. Rigols actually have EXCELLENT quality. They don't have advanced capabilities and no refinement. R&S has appalling number of bugs on 2000, 3000, and 4000 series. They released totally experimental platform. If they live up to the name, they will fix them and it will make for excellent instruments. But at this pace, it'll take years... I waited for a 3000 series since last year... Not impressed so far.. If you want stable scope, Keysight is the way to go. And that is also because it is a 10 years old platform (and now outdated), that has been debugged all this time. Most professionals use Keysight for that reason. Also LeCroy is very stable and has advanced capabilities. And also: Segmented memory, I2C, SPI, UART, CAN are supposed to be included in basic scope... Scope is useless without it. Why would I buy a scope for twice the money, if it can't do basic things, 500 USD scopes can... All of the nice things that R&S new platform can do are useless if I can't use it. This is not only R&S problem. Keysight and Lecroy are also stupid like that. If I bought a scope that has no capabilities (because I didn't pay 2500€ additionally to unlock them) than I might as well just buy Rigol, Siglent or GW Instek for much less money and have the same results... Oh, wait, but NOO, they have those capabilities.. So they are better than R&S. And not only on paper. Even when implementation is less than stelar, you have it... You can do at least something. I really hope new Rigol DS/MSO7000 shows to be decent performer... They show an app bundle to be 1500€, R&S is 2500€ ... Basic scopes are not very inexpensive but give them time.. |
| sstepane:
Hi, I have some practical question - what software (better to be free) can be used to analyse RTB stored waveforms? I see RSCommander software from R&S, but it has some very limited analysing abilities for traces (no abilities at all, except for Y-setup). |
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