Products > Test Equipment
Lecroy 4054HD vs Siglent SDS6204A eval
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KungFuJosh:
Siglent is generally Linux. That model also has 4 math traces. I'm a little jelly of that.
jayk:
The Spectrum Analyzer problem seems to be intermittent... I did a Default Setup recall and now the SA seems to work fine.  Some weird software bug I guess.

Saw on another thread people trying to use Lecroy probes with Siglent.  Too bad Lecroy doesn't make an adapter to use Siglent probes with their scopes.  Both use a 6-pin connector, but it's different between Siglent and Lecroy.  The Siglent active probes are a fraction of the cost of comparable probes from Lecroy.  I wonder what the margins are like on the active probes from Keysight/Tek/Lecroy.


nctnico:

--- Quote from: jayk on May 23, 2024, 03:52:50 pm ---I know the Lecroy runs Windows CE (which hasn't had a major update in 10 years and is now officially out of support) and I think the Siglent runs Linux.  So I'm worried about updates to the Lecroy going forward.

--- End quote ---
I wouldn't be worried about that. CE is a very limited OS out of the box so Lecroy had to bolt on many pieces of software they can control themselves. Although I'd get a Lecroy scope running on a PC platform as this has more processing power and thus the full set of features can be implemented.
Martin72:
Hi,
We had an HDO4000A on loan before we decided on an HDO6000A because it has more horsepower(Intel i5 CPU).


--- Quote ---I know the Lecroy runs Windows CE
--- End quote ---

No, like the other larger models, the HDO4000 has Windows 10 as its operating system:

--- Quote ---Type Intel® i3-6100 Dual Core, 3.7 GHz (or better)
Processor Memory 8 GB standard standard
Operating System Microsoft Windows® 10
Oscilloscope Operating Software Teledyne LeCroy MAUI™ with OneTouch
--- End quote ---

Windows CE is used with the WS3000Z only.
The HDO4000 is a PC-based system, the Siglent is underneath it, with Linux as OS as mentioned.

jayk:
My demo unit came with a pair of SAP2500D active differential probes.  These are mechanically very nice, seem to get me pretty close to the the full 2GHz BW of the scope, and cost a fraction of comparable probes from the big names.  I measured a fast edge (just an LVDS driver, but still pretty fast) with both probes on the same points and found about 50ps difference in delay between them.  I've never tried to align scope channels this carefully, and I guess the delta could be inside the scope itself.  The SDS6204A lets you adjust the delay on each channel in increments of 10ps.  Here's the original (unadjusted) capture and again after adjusting Ch2 by 50ps.  50ps is about 1cm in RG58.

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