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Rigol HDO1000 and HDO4000 12bit oscilloscopes launched in China

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phecap:

--- Quote from: TomKatt on November 17, 2023, 01:37:25 pm ---Can't find much info on the HDO1000U series - are you even certain it offers the same 2gbs rate ?

--- End quote ---
You can find all information here:
https://www.rigol.eu/products/oscillosopes/DHO1000%20series.html
Data sheet:
https://www.rigol.eu/Public/Uploads/uploadfile/files/20221123/20221123203334_637e131e9efd2.pdf
User manual:
https://www.rigol.eu/Public/Uploads/uploadfile/files/20221123/20221123203520_637e138873720.pdf

Fungus:

--- Quote from: ebastler on November 17, 2023, 01:12:42 pm ---
--- Quote from: Antonio90 on November 17, 2023, 01:07:19 pm ---My guess is that they have taken the 800/900 FPGA and memory and put it in the DHO1000 package.

--- End quote ---
But then how do they get 2 GSa/s out of that? Unless the 800/900 are artificially throttled...

--- End quote ---

I'm guessing it's not the exact same FPGA. Maybe something intermediate.

(or a higher speed version of the same FPGA if there is one...)

Fungus:

--- Quote from: phecap on November 17, 2023, 02:06:55 pm ---
--- Quote from: TomKatt on November 17, 2023, 01:37:25 pm ---Can't find much info on the HDO1000U series - are you even certain it offers the same 2gbs rate ?

--- End quote ---
You can find all information here:
https://www.rigol.eu/products/oscillosopes/DHO1000%20series.html
Data sheet:
https://www.rigol.eu/Public/Uploads/uploadfile/files/20221123/20221123203334_637e131e9efd2.pdf
User manual:
https://www.rigol.eu/Public/Uploads/uploadfile/files/20221123/20221123203520_637e138873720.pdf

--- End quote ---

That doesn't have a 'U' in the name.

ebastler:

--- Quote from: Antonio90 on November 17, 2023, 02:01:02 pm ---Right now, at $600 plus $300, if you know how to desolder and solder the ADC, a 1074 could be turned into a 4804 for less than 1k, bar the active probe interfaces.

--- End quote ---

I thought the ADC is a Rigol custom chip? Is it available separately?
Also, are you sure that's the only difference -- maybe different FPGA or RAM speed grades are also used?

Antonio90:

--- Quote from: ebastler on November 17, 2023, 04:53:10 pm ---
--- Quote from: Antonio90 on November 17, 2023, 02:01:02 pm ---Right now, at $600 plus $300, if you know how to desolder and solder the ADC, a 1074 could be turned into a 4804 for less than 1k, bar the active probe interfaces.

--- End quote ---

I thought the ADC is a Rigol custom chip? Is it available separately?
Also, are you sure that's the only difference -- maybe different FPGA or RAM speed grades are also used?

--- End quote ---
Maybe, although I doubt that is the case WRT the FPGA. I recall seeing photos of both boards, and they were the same except for the ADC chip. (EDIT: the missing second ADC)
The $300 is wrong, it is actually 350 for a "donor" DHO802.

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