Products > Test Equipment

Siglent SDS1000(X) / SDS2000(X) or LeCroy WaveAce (Blackfin) hacks?

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markus_jlrb:
To compare with a proper input channel impedance,
I check a  old Hameg 350 MHz DSO.

See the difference in the attached pictures compared
with the Siglent scope.
But also notice the decrease of impedance match,
when switching to 50mV and lower amplification.

Would be interesting to figure out how the SDS2KX input
impedance could be  improved.

Markus

KeBeNe:
Here are the measurements of my 2104x


part 1:

KeBeNe:
part 2:

tv84:
Since the 300 MHz HW patch has proven to be successfull (with light differences between different PCB boards) on a SDS2104X and a SDS2204X, the only thing missing was my contribution.

Attached is the latest FW version (SDS2000x_1.2.2.2R10) patched to fully behave as a 300 MHz scope (the official Siglent SDS2304X/SDS2302X).  It's a 1-byte patch.

The .ADS file is zipped and splitted in 3 parts (.ZIP + .Z01 + .Z02). Place them in the same dir and extract.

The CRC32 of the .ADS must be 0x5AD47123.

The file has been tested in a SDS2204X and should work on all scopes that accept the official Siglent v1.2.2.2R10 FW (with CRC32 = 0xFBD42874). It's a simple runtime patch. If someone wants to test a permanent patch pelase contact me.

Edit: New file released Sep 25th.

KeBeNe:

Hello,

how do I unpack the files correctly, get errors with 7zip

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