Products > Test Equipment

SIGLENT SDS1072CML (v5.01.02.22) next firmware feature requests

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Sobakin76:
Thanks to tv84, my old SDS1072CML turns to 1152.
Because original 70Mhz probes are both died now, I have to buy a bit more expensive 150Mhz pair :)

Sobakin76:
But I don't see any real difference in bandwith with cheap P6100 "100MHz" probe, only time/div limit now 2.5ns instead of 5ns.
On picture Ref waveform is saved when it was original 1072. Square (I believe it is) 27MHz generated by SN74HC14N at 5V and with probe used small spring ground lead wire in both cases, probe of course in x10 mode, memdepth "Normal", 1GSa/s (second channel disabled).

Sobakin76:
Just make probe tests and for sure it's because of cheap probe.
Tested with my new SDS1104X-E (updated to 1204), compared this P6100 with Siglent original 100MHz PP510 which came with 1104X-E. Probes was recalibrated with each reconnection.
Pics in order: 1152CML & PP510, 1204X-E & P6100, 1204X-E & PP510.
And pic in previous post is 1152CML & P6100. Unfortunately I didn't this test with 1072CML in it's original 70MHz state for more adequate compare :(

tautech:
P510 shipped with the SDS1102CML and later + versions since forever and your screenshot above shows how well they match the X-E vs P6100.  :o
IIRC at some 200 MHz they are only ~1dB down so they'll be fine to use with your newly modded SDS1152CML.

And welcome aboard.

Sobakin76:

--- Quote from: tautech on March 06, 2021, 11:47:27 pm ---IIRC at some 200 MHz they are only ~1dB down so they'll be fine to use with your newly modded SDS1152CML.
--- End quote ---
Yes I saw some probes chart with 200MHz scope here, and "100MHz" PP510 appears not worse than Siglent 1202's 200MHz probes. So now I know that I need two more PP510's :)

--- Quote ---And welcome aboard.
--- End quote ---
Thank You

By the way, the 1204X-E shows a bit more detailed waveform than 1152CML with same probe and at same 1GSa/s

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