Products > Test Equipment
Siglent SSG3000X and SSG5000X series RF Signal generators
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Martin72:
My dear Rob, I'm just a little fool. ;)
Not a big one.
But I can't see very well, the matter of whether or not there is an IQE module is clarified very quickly without measuring weight. :P
Nokia6681:
Hello from Germany,

I have a question for you, I have the Siglent SSG3021X which no longer has an output as of today, I had not previously set up a device with it and then suddenly the output was DEAD, at the absolute output maximum there was still a low signal level but no signal full power more.

Now the question is what could be defective here, with a circuit diagram I would certainly be able to determine it straight away, but where can I get something like that from?

Do any of you have a circuit diagram of the HF output?
tautech:

--- Quote from: Nokia6681 on August 06, 2024, 11:30:07 pm ---Hello from Germany,

I have a question for you, I have the Siglent SSG3021X which no longer has an output as of today, I had not previously set up a device with it and then suddenly the output was DEAD, at the absolute output maximum there was still a low signal level but no signal full power more.

Now the question is what could be defective here, with a circuit diagram I would certainly be able to determine it straight away, but where can I get something like that from?

Do any of you have a circuit diagram of the HF output?

--- End quote ---
First Preset then adjust Level and Frequency to values you can easily test.
Have you checked the BNC LF output is working correctly ?
Then work through the SM checks:
https://int.siglent.com/u_file/download/19_11_22/b8cd0afabb.pdf
Nokia6681:
I never use the LF output.
 a check using the service instructions does not reveal any errors. I think that the device that I previously compared may have sent and destroyed the output Amp.
Unfortunately, Siglent only specifies a maximum DC input voltage at the output but does not indicate the maximum amount of HF that can enter the output. I haven't disassembled it yet to get a closer look at the components used.
tautech:

--- Quote from: Nokia6681 on August 06, 2024, 11:56:34 pm ---I never use the LF output.
 a check using the service instructions does not reveal any errors. I think that the device that I previously compared may have sent and destroyed the output Amp.
Unfortunately, Siglent only specifies a maximum DC input voltage at the output but does not indicate the maximum amount of HF that can enter the output. I haven't disassembled it yet to get a closer look at the components used.

--- End quote ---
Yet it is a check the rest of the generator is working correctly and any damage is confined to HF RF output.

Not heard of damage/failures in these before so do keep us posted with your findings.
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