Products > Test Equipment
Rohde & Schwarz CMU200
ZL1CVD:
I'd like to also get CRTU-RU as it is running Pentium III 933MHz vs Celeron 650MHz, has front panel USB slots and more RF options fitted as standard. Having windows installed, it should also have drivers for the hardware and hopefully DLLs I may be able to use with something like Delphi.
Does anyone know if the CRTU-RU has a touch screen?
tmbinc:
The CRTU-RU does not have a touch screen, and the Windows driver unfortunately do not expose necessary functionality for SA (RX sweep, for example).
Wuerstchenhund:
--- Quote from: Nuno_pt on May 07, 2016, 10:33:20 pm ---Wuerstchenhund, can“t the RF Generator be feed into the CMU across the DUT on one given frequency and watch on the SA.
Like the DUT is an BPF for 144MHz, and you feed the RF Generator across the DUT and watch on the SA.
--- End quote ---
Sure you can do that, no problem. But usually a single frequency isn't helpful, so you'd probably want to 'sweep' through a certain frequency band. On the CMU200/CRTU-RU, you'd have to do this either manually (i.e. scroll through the frequency band slowly with the rotary knowb) or better, do that with an external PC which calls up a list of frequencies.
--- Quote ---Can you post some images of yours.
--- End quote ---
What kind of pictures? I don't have mine any longer as the 2.7Ghz bandwidth wasn't enough for my needs but I might still have some photos of the device and screenshots.
--- Quote from: ZL1CVD on May 08, 2016, 05:12:23 am ---I'd like to also get CRTU-RU as it is running Pentium III 933MHz vs Celeron 650MHz, has front panel USB slots and more RF options fitted as standard. Having windows installed, it should also have drivers for the hardware and hopefully DLLs I may be able to use with something like Delphi.
--- End quote ---
The CRTU-RU doesn't have more options as standard as the CMU200. Both share the same instrument platform, the differences are that the CRTU lacks the audio generator/analyzer and instead of the speaker comes with a passive RF splitter/combiner.
The Windows software is made for automated testing, i.e. scripted test procedures. For that it uses Microsoft Visual C/C++ as an editor. The capabilities of the Windows drivers are simple, i.e. it lets you select an input/output and put the instrument in a certain state, but as far as I know you can't access the low level functionality of the various subsystems (RF generators, RF receiver, audio analyzer, power meter) so writing your own 'spectrum analyzer' application isn't possible.
Also, although the platform itself is identical to the CMU200, CMU200 modules normally don't work in the CRTU and vice versa.
--- Quote ---Does anyone know if the CRTU-RU has a touch screen?
--- End quote ---
No touch. As I said, it's pretty much the same hardware as in the CMU200.
If you want a faster 'PC' (called 'FMR' in R&S speak) then I'd rather look for a newer CMU200 than a CRTU, as the CMU is more versatile.
msraya:
Hello all!!
I have one unit that comes to me the next friday with B11(simple ocxo), B41(audio analyzer) and B95(second RF generator)... I am looking for KingSpec ssd pata cheap chinese units in aliexpress right now.. ^-^
I printed the user manual and the service manual and I'm studying it right now... I come from RIGOL DSA-815 and Stabilock 4032... I'm interested in program it using VISA library in Python, in order to measure several classic parameters in LNA, mixers, etc.. :box:
Did you write a review for the instrument, Wuerstchenhund??
Very nice instruments, indeed..
Manuel
ZL1CVD:
I'm looking for a CMU200 user manual that covers the standard analog features - sig gen, power meter, spec an, audio an, etc. What I have here is service data and manuals specific to various GSM & CDMA options - which this one has. Want to get more of a handle on basic stuff like navigation, changing units of measure, Etc. Can anyone share a link?
BTW my screen had badly oxidized screening around edges. Replaced with standard 3mm glass cut to 185x141mm square. Its not screened but doubt this will effect home workshop use. Looks 100% better.
Also have a 32GB KingSpec SSD on order - huge overkill on size I know but will give me room for DOS, Windows & Linux partitions.
Cheers, Chris - ZL1CVD
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