The Siglent SDG2042X Thread

[hpw]

Anyone come across an issue where the frequency drifts when burst is enabled?

I have my SDG2042X connected to an external 10MHz reference. I set a 10 MHz sine wave on CH1 and enabled the output. Feeding both the reference and SDG CH1 output to my oscilloscope I see the signal phases are stable relative to each other. Next, I switch to CH2 and enable burst (output not yet enabled on CH2). On the oscilloscope I see CH1 now drifting from the input reference. The CH1 keeps drifting until I disable burst on CH2 and toggle the output of CH1 on/off (or change freq on CH1).

I'm running the latest firmware I see v 2.01.01.35R3B2.

I looks like that the burst freq. alters the coherent behavior against the reference. May check whether using ARB it gets any better, while IMHO to control the coherent behavior.

I am waiting on Siglent now about one year to fix the square wave & low deviation FM/PM modulation bug....

so far as FPGA gets on the limit:

a) offered to send back for refund
b) trial FW so only one channel possible

from the face looser, nothing happens so far as   
 

[TurboTom]

Due to the similarities of Siglent's AWG series, I checked for the reported problems on my SDG6000X. And I guess nobody's surprised I found them... I posted the details in the '6000 thread.

[jeraymond]

Due to the similarities of Siglent's AWG series, I checked for the reported problems on my SDG6000X. And I guess nobody's surprised I found them... I posted the details in the '6000 thread.

Looking more closely, the signal actually drifts from the external reference even without enabling Burst on the second channel. The drift is much, much slower but still there. Do you see that too on your device?

[TurboTom]

No, in case of the SDG6000X, the drift only seems to depend on the burst period, it doesn't change at all if burst mode is enabled or disabled. And as reported in the '6000 thread, I only found this effect if the AWG is configured in "Phase Locked Mode". So, regarding this issue, there appear to be some differences in the way these two instruments behave after all...

[dorkshoei]

Is there a cheap soft storage case that the SDG2042X will fit into.   Cheap == $40 or less.

[nike75]

I use this one

https://www.aliexpress.com/item/32835074432.html?spm=a2g0o.9042311.0.0.27424c4dvjXYyp

produced for photo gears, but very usable for SDG2042X

I ordered 3 years ago and price was $25, now is much more, but may be found from other store.

[jeraymond]

No, in case of the SDG6000X, the drift only seems to depend on the burst period, it doesn't change at all if burst mode is enabled or disabled. And as reported in the '6000 thread, I only found this effect if the AWG is configured in "Phase Locked Mode". So, regarding this issue, there appear to be some differences in the way these two instruments behave after all...

Change the Phase Mode to Independent also fixed the drift issue with Burst enabled on the second channel. Siglent has a App Note about it here: https://siglentna.com/USA_website_2014/FAQ/SDG/SmoothSDGOutputs_01172016.pdf

[SignalArray]

try this one from HD:

https://www.homedepot.com/p/RIDGID-22-in-Pro-Organizer-Black-221735/205440492

remove those bins and if needed modify inside of lid with dremel a little.  It should fit.

if not try next size:
https://www.homedepot.com/p/RIDGID-22-in-Pro-Tool-Box-Black-221733/205440481#overlay

this one fits 2 instruments of similar size.(with foam)

[dorkshoei]

try this one from HD:

"Is there a cheap soft storage case that the SDG2042X will fit into."

I use this one

https://www.aliexpress.com/item/32835074432.html?spm=a2g0o.9042311.0.0.27424c4dvjXYyp

Thanks.  Right kind of material.  I'd prefer something without straps.   Yes I realize I can cut them off.

[nike75]

When I search for bag, my important point was fit and drop protection. Not so easy to find bag with right sizes if not designed exactly for this gear.
Actually materials is not so bad, this case are padded of all sizes with shockproof pads (it is still designed for photographic equipment)
I have photographic equipment, have branded bags, also bought Chinese - this is completely satisfactory for storing and carrying sensitive equipment.

Its disadvantages are:
- the back straps as well as the hand handle feel a little weaker and unreliable.
- the position of the hand handle is placed at one end and when carried in the hand slightly tilts the case.

As for the back straps - I sewed mine for the back so they wouldn't get in the way, but you can cut them.

[n3mmr]

Is there a repository of downloadable arbitrary waveforms somewhere for this generator?

All I want for X-mas, or possibly my Easter Egg, is a set of waveforms to emulate/simulate UART rs232 or ttl  or so style character strings, at different baud rates.

[tautech]

Is there a repository of downloadable arbitrary waveforms somewhere for this generator?

You might find something useful in this thread:
https://www.eevblog.com/forum/testgear/siglent-sdg1025-matlab-programming-arb-waveform/

Dunno if they work with the later X model arbs but they all I got. 

[n3mmr]

Is there a repository of downloadable arbitrary waveforms somewhere for this generator?

You might find something useful in this thread:
https://www.eevblog.com/forum/testgear/siglent-sdg1025-matlab-programming-arb-waveform/

Dunno if they work with the later X model arbs but they all I got. 

I couldn't find any ready-made waveform descriptions, just files stating the uart properties for something to be done in Matlab. It might even just be serial interface descriptions for connecting the instrument control toolbox to a siglent generator.

[tautech]

Is there a repository of downloadable arbitrary waveforms somewhere for this generator?

You might find something useful in this thread:
https://www.eevblog.com/forum/testgear/siglent-sdg1025-matlab-programming-arb-waveform/

Dunno if they work with the later X model arbs but they all I got. 

I couldn't find any ready-made waveform descriptions, just files stating the uart properties for something to be done in Matlab. It might even just be serial interface descriptions for connecting the instrument control toolbox to a siglent generator.

Nothing in the inbuilt waveforms that are of use ?
Have you experimented using EasyWaveX ?

I'll ask Siglent if they have anything novel they can share.

[SignalArray]

will re-flashing to older version and then "converting " to SDG2122 (as per procedure outlined on this thread)  work for recently purchased SDG2042?

i'm planning to buy SDG2042.

[Martin.M]

I am the next one,
SDG2082X is on the way 

[dorkshoei]

will re-flashing to older version and then "converting " to SDG2122 (as per procedure outlined on this thread)  work for recently purchased SDG2042?

i'm planning to buy SDG2042.

Read the hack thread.   This is from Feb 9.   Seven days ago.
https://www.eevblog.com/forum/testgear/siglent-sdg2042x-hack-door-closed/msg3996982/#msg3996982

[tautech]

Is there a repository of downloadable arbitrary waveforms somewhere for this generator?

You might find something useful in this thread:
https://www.eevblog.com/forum/testgear/siglent-sdg1025-matlab-programming-arb-waveform/

Dunno if they work with the later X model arbs but they all I got. 

I couldn't find any ready-made waveform descriptions, just files stating the uart properties for something to be done in Matlab. It might even just be serial interface descriptions for connecting the instrument control toolbox to a siglent generator.

Nothing in the inbuilt waveforms that are of use ?
Have you experimented using EasyWaveX ?

I'll ask Siglent if they have anything novel they can share.

Had these for a bit but sorry been too busy to fully test them.
CAN and I²C BIN files that you can import directly into 2ch SDG models.
NOTE, remove txt file extension required to upload here before uploading to SDG.

Another project for the adventurous; Hearts
https://www.eevblog.com/forum/chat/a-valentine_s-day-activity-for-your-scope-and-function-generator/
Reply #4 has a doc file with the required AWG settings.

Further project; enter these settings into you SDG and save them then download the BIN files and post them here.
TIA

[MorpTester]

Sorry in case this was discussed and I missed it - how to do a screenshot with the SDG2042X onto the front USB drive? There is nothing mentioned about it in the manual.

[ebastler]

Sorry in case this was discussed and I missed it - how to do a screenshot with the SDG2042X onto the front USB drive? There is nothing mentioned about it in the manual.

I am not aware of a direct "screenshot to USB" function; but a solution for "screenshot via SCPI" was mentioned in this thread a while ago: https://www.eevblog.com/forum/testgear/the-siglent-sdg2042x-thread/msg3577567/#msg3577567.

Disclaimer: I have not tried this myself.

[MorpTester]

Thanks.

Edit: The command in the next post does indeed work, but it's quite complicated to finally receive and store a valid graphics file. This screenshot has been taken measuring a GPS diciplined source, after performing the Timebase Calibration of the Siglent with that source.

[tautech]

Yes it's a bit annoying the lack of consistency across the Siglent websites 
 https://siglentna.com/operating-tip/sdg-remote-scpi-command-to-request-a-screen-image-2/

SCPI command: SCDP

[Kanbus]

Hi
I have for hours tried upgrading the bandwith on my sdg2042x to no avail since the info seems scattered about and there is no guide for the sdg2042x

I take from one post that the telnet route dont work anymore and you could use the pyton script also used for the scopes.

I used this to unlock my sds1104x-e but i'm really confused now.

what do you use for scope id and how to get it?
should you type the model number since its not one of the listed ones?
which one of the keys in the script is for the 120Mhz bandwith?

[blurpy]

Hi
I have for hours tried upgrading the bandwith on my sdg2042x to no avail since the info seems scattered about and there is no guide for the sdg2042x

There is a link to the last page of the hack thread just a few posts up, which describes the process step by step.

[Kanbus]

Thanks. next problem is it will not show the usb stick, i beeps and says usb stick removed when removing it thoug - i've tried several. It worked fine earlier.