Products > Test Equipment

Rigol DG800/900 Pro Pulse Capabilities

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tautech:

--- Quote from: 2N3055 on August 30, 2024, 09:10:52 am ---
--- Quote from: zrq on August 30, 2024, 09:05:01 am ---True, and it seems the only way to get a controlled rise&fall time is to program an ARB. Hope burst of pulses is something that will be added to the half baked firmware.

BTW the fall time tested is even slightly faster of <1.7 ns . This is probably superior to SDG2000X though which specified to be <8ns iirc (only using one at work, no chance to test it).

--- End quote ---

If by superior you mean faster, than it is faster.. SDG2000X has cca 7-8 ns rise/fall times.

But if you don't need edges faster than 8 ns but good control than SDG2000S is vastly superiors to Rigol. Eye of the beholder and actual needs in practice rule...

--- End quote ---
SDS1000X ~1/2 that.

NE666:
Thank you to everyone who has chipped in here, some very valuable information which has certainly prevented a "misfire" (Rigol have a sale on at the moment and I was getting ready to pull the trigger).

My particular thanks to both csuhi17 and zrq for taking the time to verify actual behaviour on hardware.

I really would prefer to not have the Siglent as I don't enjoy that 'recycled HP' form-factor / aesthetic anywhere near so much as I used to before other options hit the market.  I also think the UI shows it age (but don't we all, in the end?). However one cannot deny that the purpose of TE is to serve specific requirements and to serve reliably, so Siglent it (probably) is. I no longer have sufficient confidence in Rigol's software development that a FW fix will ever be forthcoming, let alone within a timescale that fits mine.

 

2N3055:

--- Quote from: NE666 on August 30, 2024, 12:37:01 pm ---Thank you to everyone who has chipped in here, some very valuable information which has certainly prevented a "misfire" (Rigol have a sale on at the moment and I was getting ready to pull the trigger).

My particular thanks to both csuhi17 and zrq for taking the time to verify actual behaviour on hardware.

I really would prefer to not have the Siglent as I don't enjoy that 'recycled HP' form-factor / aesthetic anywhere near so much as I used to before other options hit the market.  I also think the UI shows it age (but don't we all, in the end?). However one cannot deny that the purpose of TE is to serve specific requirements and to serve reliably, so Siglent it (probably) is. I no longer have sufficient confidence in Rigol's software development that a FW fix will ever be forthcoming, let alone within a timescale that fits mine.

--- End quote ---

I own (and use) DP831A, DG1062Z and DM3068 from Rigol. I used to own a DS1074Z too.

I had them all before "going over to Siglent side"....
Which I did because last two generation of equipment from Rigol was huge disappointment to me..

While I could plainly see Siglent is steadily improving, in a visible, tangible, way..

Njk:
Perhaps this is the result of different business strategies. Siglent used to work for the other brands as well so it can enjoy a better access to help, consultations and advices from them, while Rigol insists on its own brand (probably for better access to government funding) so no one can educate them on the art of decision making

Njk:

--- Quote from: 2N3055 on August 30, 2024, 09:10:52 am ---If by superior you mean faster, than it is faster.. SDG2000X has cca 7-8 ns rise/fall times.

--- End quote ---
BTW the times can depend on the output amplitude. Is that number for whole amplitude range or only for small amplitude values?

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