Products > Test Equipment

The Siglent SDG1000 and SDG800 thread

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tautech:

--- Quote from: Macbeth on July 06, 2015, 08:57:37 am ---
--- Quote from: tautech on July 06, 2015, 07:58:25 am ---I personally doubt BW upgrades will be available for the 1000 series as it would necessitate the installation of a fan for many models.
As for the 800 series, I have no idea, sorry.
--- End quote ---
Then why release a new firmware for the 1000 series with a bandwidth update procedure coded in? Thats a pretty major update to the firmware, more than just bug fixing.

--- End quote ---
Good question, but with what we know of the 1000 series from rf-loop's analysis I don't believe any BW upgrades can be applied across the range. Possibly for fan cooled or non-fan cooled models as 2 sub-groups of the range.  :-//
But if there is a new series to be released, maybe they will share the same FW but only the new series be BW upgradeable.  :-//

--- Quote ---Or perhaps they are showcasing the new "upgrade kit" for existing SDG1000s. It is not beyond the typical end users abilities to install a fan.

--- End quote ---
And open the case while under warranty to install the fan, I wouldn't think so.  :palm:
That's not part of Siglent's MO, you don't have to do stuff like that for units to work as intended.

Macbeth:
Meh, you can round get that by wearing one of Daves "Warranty VOID if NOT removed" T-shirts while replacing the fan.  ;)

Perhaps the new firmware has more efficient DSP routines that no longer use so much energy and the fan is redundant anyway?

I guess we will wait and see.

nctnico:

--- Quote from: tautech on July 06, 2015, 07:58:25 am ---rf-loop has strong views about BW selection of models based on performance testing after manufacture, component tolerances determining the final BW/model labeling.
I'm inclined to agree with him.

--- End quote ---
Me not at all. It would indicate poor component choices. And more importantly it would limit the availability of higher end models and could cause an excess of lower specced models in order to fulfill the demand for the higher end models. There is no use in scrapping 10 devices in order to sell one device. Binning after board production would also involve extra logistics and chances for human error to tag the boards and store them in seperate containers.

ivan747:
I think rf-loop might be biased in this regard. I bet there is only one or two variations of the board and that's it. It does need a fan, though.

Sent from my XT1063 using Tapatalk

Lightages:
The 50Mhz model costs so much more than the 25Mhz model in scale compared to the other upgrades. I would guess that there is a difference in hardware for that jump. I also see empty locations for parts and cable connectors on mine. I wonder what they are for?

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