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REVIEW - Rigol DS2072 - First Impressions of the DS2000 series from Rigol

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Teneyes:

--- Quote from: murdok on December 21, 2013, 04:39:06 pm ---2nd channel only -> 1GS/s

--- End quote ---
Hi
When you selected CH2 Only , the Trigger was still on CH1 and as it is different requires 1/2 the sampling.
Once trigger is set to CH2 , (same) the DSO will go to 2GSa/s

EV:
So it is. You can find it even in your user guide on specifications.


--- Quote from: murdok on December 21, 2013, 04:39:06 pm ---Can somebody confirm following behavior with latest FW on DS2k devices:

1st channel only -> 2GS/s
2nd channel only -> 1GS/s

At least i can't remember reading anything about that.
I expected to have a drop of maximum sample rate from 2GS/s to 1GS/s only in case when both channels are active at once.

--- End quote ---

murdok:
Thanks EV & Teneyes,
it was exactly what you guessed - how could i missed that .. argh.

BTW had this problem some days ago when we tried to figure out how good the 'opened' bandwith (lets say noise floor beyond 200MHz) and the probe/cable + shielding is for measuring carriers of some well known rf controlled devices (i.e. FM radio, 433MHz home control systems, etc.)

At least up to 433MHz we got pretty good results (for sure by using extrenal tools for the FFT analysis).
Also noise floor on frequency domain is very even until 500MHz.

Carrington:
@Marmad:
The % of blind time (between 200ns and 2ns) in the following table is it real or effective?

NikWing:
marmad: you wrote that? great! gonna get it :D
btw, I saw waterfall screenshots/pics of DS2xxx DSOs before, so they've been made with this software?

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