Author Topic: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004  (Read 401355 times)

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Offline glowman

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2350 on: January 24, 2019, 04:20:22 pm »
Got my key just recently!  This further justifies the cost of this killer scope.  Thanks Rich and R&S!
 
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Offline Rich@RohdeScopesUSA

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2351 on: January 25, 2019, 03:38:51 am »
Hi Folks - All PMs replied. 

-Rich
 

Offline MikeP

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2352 on: January 25, 2019, 07:43:42 am »
 K36 is installed on one of the devices. Very good function.
 I tried to check the identity of the channels. 1-2 and 3-4 all is well. Using 2-3 and 3-2 (2-4 or 3-1) leads to some oddities.
 Thank you very much!
 
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Online maginnovision

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2353 on: January 25, 2019, 08:14:16 am »
It seems to get confused and can swap from say 0 phase to 180 or 0 to 360. I assume this can be fixed in software. I noticed this too but wasn't sure if it was just me.
 

Offline glowman

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2354 on: January 25, 2019, 08:59:00 pm »
Maybe it has something to do with ADC.  1&2 or 3&4 share one ADC each. Making the 2 ADC's to work together for this application just won't do.  Just guessing...
 

Offline Rich@RohdeScopesUSA

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2355 on: January 26, 2019, 04:01:30 am »
K36 is installed on one of the devices. Very good function.
 I tried to check the identity of the channels. 1-2 and 3-4 all is well. Using 2-3 and 3-2 (2-4 or 3-1) leads to some oddities.
 Thank you very much!
Hi MikeP - just PM'd you.

Thanks,
Rich
 

Offline Joel_l

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2356 on: January 26, 2019, 08:31:13 am »
Also now have K36 installed, only took a couple working days to get, no issues.

Thanks Rich, R&S, that's a nice upgrade to get.

Joel
 
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Offline Rich@RohdeScopesUSA

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2357 on: January 29, 2019, 01:15:28 am »
Hi Folks - sorry for the slow responses via PM - it was a very busy weekend.  All PMs should be answered now, please let me know if you didn't receive a reply.

-Rich
 
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Offline MikeP

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2358 on: January 30, 2019, 06:14:40 am »
 A small update. The problem of channels 1/2-3/4 does not occur during normal use. Here is an example of a trivial power amplifier. The K36 works absolutely flawlessly.
 I think the function of K36 will be significantly changed for the better.

 PS I really miss the logarithmic scale in the FFT ...  :(
 
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Offline genghisnico13

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2359 on: February 01, 2019, 12:55:05 pm »
I think I found a couple of bugs, when enabling HF Reject the trigger point is delayed by approx 2.1us (should be compensated automatically, I believe because other trigger filters are compensated) and if you switch the trigger source to a logic channel having HF Reject activated you cant trigger (edge) and you cant disable HF Reject until you switch back to an analog channel.

a feature request that I'm not sure how easy to implement it is (for not ideal shapes), but it would be nice if you could maybe show the -3dB BW in the bode function automatically (maybe using the QuickMeas button), not a big deal to find using cursors but could be nice.
 

Offline santiall

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2360 on: February 01, 2019, 01:49:48 pm »
  PS I really miss the logarithmic scale in the FFT ...  :(

big YES to this, a LIN / LOG scale switch would just be perfect.

when enabling HF Reject the trigger point is delayed by approx 2.1us (should be compensated automatically, I believe because other trigger filters are compensated) and if you switch the trigger source to a logic channel having HF Reject activated you cant trigger (edge) and you cant disable HF Reject until you switch back to an analog channel.
I've noticed this one too
 

Offline agdr

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Where did the FW V 02.202 release notes go? Love the math addition!!!
« Reply #2361 on: February 01, 2019, 07:34:35 pm »
I've been popping back in every few months to see if the math-upgraded firmware was out yet.  Finally is!  Wow!!!!  Huge thanks to Rich for getting this one pushed through corporate.

But... where did the release notes for V 02.202 go?  In post 2277 the image there shows there *were* release notes at one time.  What I'm finding now on the R&S site is the firmware itself in the .zip, but no release notes anymore.  Rich - or anybody else - help?

Another huge wow on the K36 upgrade!  Between the upgraded math and now this K36, the RTB2004 has gone up a few notches in the scope world, IMHO. Matches the original thread title of a game changer now.  Was hard(er) for me to say that before when all it had was basic math functions. :P :)
« Last Edit: February 01, 2019, 07:39:12 pm by agdr »
 
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Offline Kean

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Re: Where did the FW V 02.202 release notes go? Love the math addition!!!
« Reply #2362 on: February 01, 2019, 07:42:12 pm »
But... where did the release notes for V 02.202 go?  In post 2277 the image there shows there *were* release notes at one time.  What I'm finding now on the R&S site is the firmware itself in the .zip, but no release notes anymore.  Rich - or anybody else - help?

Here is a copy (an updated one which mentions K36)
https://www.dropbox.com/s/iylum08fw7gwmj1/RTB2000_Release_Notes_v02.202_v10.pdf?dl=0
 
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Offline agdr

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Offline KaneTW

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2364 on: February 01, 2019, 09:05:02 pm »
The only thing I'm wishing for is some of the RTM's math capabilities (LPF, HPF) to make it into the RTB.

And maybe a demodulation function, but that's more of a corner case and I don't really expect it (and I could probably hack something together with the existing math)
 

Offline genghisnico13

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2365 on: February 02, 2019, 01:22:11 am »
The only thing I'm wishing for is some of the RTM's math capabilities (LPF, HPF) to make it into the RTB.
Same here, that would be awesome.
 

Offline 2N3055

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2366 on: February 02, 2019, 01:39:30 am »
The only thing I'm wishing for is some of the RTM's math capabilities (LPF, HPF) to make it into the RTB.

Well, your wish was granted. Current math capabilities are "gift" from R&S because originally RTB2000 had very basic math. It was no better than Rigol DS1000Z.
Customers complained when they realized RTB2000 was seriously lacking when it came to math capabilities and asked if it could get some of 3000 series  math and here it is.
You can't expect parity with 3000 series.

 

Offline nctnico

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2367 on: February 02, 2019, 01:39:56 am »
The only thing I'm wishing for is some of the RTM's math capabilities (LPF, HPF) to make it into the RTB.
I have not checked the latest RTM3000 firmware yet (too swamped with other stuff ATM) but in the previous version LPF and HPF are performed on decimated data -like any math operation-. This can screw up the filtering results.
There are small lies, big lies and then there is what is on the screen of your oscilloscope.
 

Online maginnovision

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2368 on: February 02, 2019, 05:56:22 am »
Does anybody know a similar or the same lug used for the ground of probe compensation port?
 

Offline agdr

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2369 on: February 02, 2019, 04:08:31 pm »
Hi Rich,
I use a RTB2004 as my daily scope and I really like it (minus the detents!  |O). Any insight as to why UART decode is limited to 3Mbaud? Looking forward to the new FW update BTW.

Cheers!
Glad you like it (all things considered).  WRT to the 3Mbaud - pure guess on my part (I can investigate with R&D if you'd like), but it may be a limitation of the FPGA we use  :-// 

-Rich


Rich - I've been reading back in the thread to catch up.  Did you ever hear back from R&D about this 3Mbaud issue?  Just curious.  Higher would be nice...   If the answer was posted & I've just missed it, please point me to the post #.  Thanks!

 

Offline agdr

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2370 on: February 02, 2019, 04:21:41 pm »

....

And if you insist on having perfect corners:
https://smile.amazon.com/gp/product/B0076FJ7SS/

....


Reading back in the thread - where has this been all my life (corner cutter for anti-glare screen film, etc)?  :)  I can think of so many things to use it on.  Just ordered one from Amazon.
 

Offline EEVblog

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Re: Where did the FW V 02.202 release notes go? Love the math addition!!!
« Reply #2371 on: February 02, 2019, 06:17:49 pm »
But... where did the release notes for V 02.202 go?  In post 2277 the image there shows there *were* release notes at one time.  What I'm finding now on the R&S site is the firmware itself in the .zip, but no release notes anymore.  Rich - or anybody else - help?

Here is a copy (an updated one which mentions K36)
https://www.dropbox.com/s/iylum08fw7gwmj1/RTB2000_Release_Notes_v02.202_v10.pdf?dl=0

New Features of V02.202:
●New 'Cut Waveform' feature for Option RTB-B6 Function generator allows user to select a portion of captured oscilloscope waveformin the arbitrary setup.
●New burst feature for option RTB-B6 Function generator allows user to specify a fixed number of waveform cycles.
●Number of math equations increased to five, and number of operators increased including differentiation and integration. 
●Option RTB-K36: New Bode plot application allow the instrument to perform gain and phase testing.
●Oscilloscope simultaneously displays cursor results with measurement statistics.
●New capability for user to independently set offset and positon values. User can assign top vertical knobto control either position or offset.
●Enhanced FFT usability

Shame  the bode is optional
 

Offline EEVblog

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2372 on: February 02, 2019, 06:28:05 pm »
And if you insist on having perfect corners:
https://smile.amazon.com/gp/product/B0076FJ7SS/
Reading back in the thread - where has this been all my life (corner cutter for anti-glare screen film, etc)?  :)  I can think of so many things to use it on.  Just ordered one from Amazon.

Anyone got recommendation for good anti-glare film for scopes?
 

Offline LaurentR

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Re: new killer scope in town - a true game changer from R&S - RTB2002 & RTB2004
« Reply #2373 on: February 02, 2019, 06:36:05 pm »
And if you insist on having perfect corners:
https://smile.amazon.com/gp/product/B0076FJ7SS/
Reading back in the thread - where has this been all my life (corner cutter for anti-glare screen film, etc)?  :)  I can think of so many things to use it on.  Just ordered one from Amazon.

Anyone got recommendation for good anti-glare film for scopes?

The one I got (and does the job well):
https://smile.amazon.com/gp/product/B015IKUNL2/

In general, the fire HD 10" ones are close to the right size and need just a bit of trimming.
 

Offline agdr

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Re: Where did the FW V 02.202 release notes go? Love the math addition!!!
« Reply #2374 on: February 03, 2019, 03:06:34 pm »
Shame  the bode is optional

Agreed.  Seems to me, given the current non-discounted retail prices of the various RTB200X configurations without K36, R&S would be wise to authorize the sales agents to use K36 as a "deal sweetener" if needed when preparing RTB200X quotes. Something to throw in "free" if the customer is insisting on a 10% or so markdown to do the deal. 

Or, alternatively, if R&S would just have (often) recurring "sales" where the K36 was included with some RTB200X configurations for some period of time. 

Seems to me whatever R&S would loose in direct profit on the K36 itself would easily be made up - and exceeded - in simply (many) more RTB200X sales due to the "K36 bundle specials".  They could always add a restriction that the K36 special didn't apply to quantity sales (an entire school lab stocking up), etc.
« Last Edit: February 03, 2019, 03:15:48 pm by agdr »
 


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