Products > Test Equipment
Rigol DHO800 memory depth / bandwidth upgrades and noise level!
Martin72:
This is not the right thread for this, but...
--- Quote ---unless the 800 is hacked which only provides greater mem depth.
--- End quote ---
Everyone hacks their scope...
You can expand the memory to 50Mpts and increase the bandwidth to 200Mhz(DHO804).
The display is higher resolution and touch, you can get several windows with signals on the screen and it has 12 bit as normal resolution instead of 8bit + 3bit Eres (which costs bandwidth).
You can connect a larger screen via hdmi and therefore do not have the problem of having to establish a network connection.
The Rigol also has a web server on top.
ebastler:
--- Quote from: tautech on November 07, 2023, 07:36:27 pm ---
--- Quote from: ifonlyeverything on November 07, 2023, 01:16:48 pm ---Is a hacked DHO800 an upgrade from a Siglent SDS1104X-E? I'm interested in the HDMI output + smaller form factor (small workspace) unless it's a bad trade-off in some way or another.
--- End quote ---
You may need to consider a bigger picture.
Do you have a PC on/near the bench as the webserver provides for porting to a large display.
X-E sampling rates and mem depth are superior with all channels active unless the 800 is hacked which only provides greater mem depth.
BTW, did you know all X-E models have been reduced in price.
--- End quote ---
No need to sell him an 1104X-E, he already has one! ;)
But I would agree that switching from that to a DHO800 only makes sense if one is explicity interested in the "package" features of the DHO: Small form factor, VESA mount, HDMI out, USB-C supply (with power bank option). And it does imply some compromises, e.g. on the sampling rate when used in 4-channel mode.
On the other hand, if HDMI is of particular interest: I would not count the X-E's web server as a replacement for the DHO's HDMI out, especially compared to using an external touch screen on the DHO. While the web interface seems quite responsive, it can't offer the same user experience, by design, since the X-E is not a touch-screen scope.
Fungus:
--- Quote from: ebastler on November 07, 2023, 08:09:04 pm ---No need to sell him an 1104X-E, he already has one! ;)
--- End quote ---
;D
--- Quote from: tautech on November 07, 2023, 07:36:27 pm ---BTW, did you know all X-E models have been reduced in price.
--- End quote ---
I wonder why...? >:D
Fungus:
--- Quote from: bdunham7 on November 07, 2023, 02:59:19 pm ---The noise is lower at 20MHz BW, as I think has been explained.
--- End quote ---
Yeah, I know that...
I think I'm confused about which channel has the bandwidth limited. I thought it was the cyan channel but it might be the yellow channel.
Does this little 'B' indicate the bandwidth limiter?
ebastler:
--- Quote from: Fungus on November 08, 2023, 06:47:30 am ---I think I'm confused about which channel has the bandwidth limited. I thought it was the cyan channel but it might be the yellow channel.
Does this little 'B' indicate the bandwidth limiter?
--- End quote ---
Yes, that's the indicator you want to look at. I also got confused at first glance by the "BW Limit 20M" at the bottom of the screen. (In a blue color which looks pretty much the same as the cyan channel to slightly colour-blind me.)
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