General > General Technical Chat
The Rigol DS1052E
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mxmxmx:
Congratulations to the person who suggested that changing the model and serial number actually does convert the scope into a 100 MHz model. It really works! When I found and documented the previously undocumented commands to set those numbers, I would never have thought that it would be so easy to upgrade the scope.

PS: For those of you who say "seeing is believing", I uploaded two screenshots:

100 MHz signal, DS1052E, default setting


Same signal, same scope, modded to 100 MHz bandwidth

rossmoffett:

--- Quote from: mxmxmx on March 16, 2010, 07:37:28 pm ---Congratulations to the person who suggested that changing the model and serial number actually does convert the scope into a 100 MHz model. It really works! When I found and documented the previously undocumented commands to set those numbers, I would never have thought that it would be so easy to upgrade the scope.

--- End quote ---

I just assumed you had already tried it, and never made the attempt!

Good on you guys for trying and testing it, guess I'll be soldering my caps back in soon as I get back to Oklahoma.
Simon:
so does this mean that the hardware mod you made is now obsolete ?
Mark_O:

--- Quote from: Simon on March 16, 2010, 12:45:34 pm ---is all this being done with software provided on the original cd ?
--- End quote ---

That is one way, though there are simpler.


--- Quote ---from the commands manual I downloaded do I correctly understand that the whole scope can be command line controlled from a pc as it would from it's own control panel ? and of course for doing things like this
--- End quote ---

Yes, that is correct.  I think you're still making this out to be far more difficult than it needs to be, thinking you need to "program" something.  Assuming you have a serial cable, and HyperTerminal on your PC (comes standard on all WinBoxes), just download these instructions on how to use HyperTerminal to send text commands back and forth to your Rigol.  No special software required... just a simple terminal emulator.  And all the required settings you'll need to use it (setting baudrate, etc.) are described in the Rigol manual referenced.

- Mark
flolic:

--- Quote from: rossmoffett on March 17, 2010, 06:07:54 am ---
 guess I'll be soldering my caps back in soon as I get back to Oklahoma.

--- End quote ---

I will not, because my 1102E has even greater bandwidth without them and I don't need BW limit function  ;D

These are shots of 74F08 gate output, i have to find IC with faster rise/fall times:
(EQU sample rate, 4x averaged, 50 ohm terminated resistive input probe)

CH1, with caps removed


CH2, unmodified


Differences are minimal but still visible.
Btw. I still think there is a room for (hardware) improvement...
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