Products > Test Equipment
Sniffing the Rigol's internal I2C bus
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linux-works:
did you do the same test before the upgrade?

can the scope be reverted and then put back again, for a/b testing?

I should have done measurements before I did the upgrade.  damn.  sorry, just didn't think it would be new info so I only visually looked at things before and after rather than writing down actual 3db levels.
Wim13:
Yes , you can uninstall the options, ( via SCPI) and

No , i dont have measured data before upgrade, will see next week if i can get any.

The counter has an other bug, put the DS1000 on AC trigger, and the counter wont work after >50 Mhz..!?
seronday:
The Frequency Response plot for un-modified DS1074Z is here.
https://www.eevblog.com/forum/testgear/rigol-ds1074z-inside-picture/msg337710/#msg337710
Wim13:

--- Quote from: seronday on May 19, 2014, 12:35:06 am ---The Frequency Response plot for un-modified DS1074Z is here.
https://www.eevblog.com/forum/testgear/rigol-ds1074z-inside-picture/msg337710/#msg337710

--- End quote ---

That makes the 1104,  + 1 dB better over the whole range.
It is good to see that this + 1 dB is on all measured points for the 1104 compared to the chart mentioned.

mrflibble:

--- Quote from: Wim13 on May 19, 2014, 05:17:35 pm ---That makes the 1104,  + 1 dB better over the whole range.
It is good to see that this + 1 dB is on all measured points for the 1104 compared to the chart mentioned.

--- End quote ---
Indeed. Same difference on all points makes it much easier to root out systematic error. ;D
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