Electronics > Beginners

Siglent SDG-2042x 10Mhz reference signal is bad

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john95:
hi, I just bought a Siglent SDG-2042x , and use scope to check its 10mhz reference signal from its back. take a look at the photo. is it bad or normal? thanks.

agehall:
Have you adjusted the compensation on the probes? That is typically what this reference is for...

radiolistener:

--- Quote from: john95 on May 16, 2019, 05:59:35 am ---is it bad or normal? thanks.

--- End quote ---

looks very good. But you can't see it's jitter with such low resolution. Why you're think that it's bad?

tautech:

--- Quote from: john95 on May 16, 2019, 05:59:35 am ---hi, I just bought a Siglent SDG-2042x , and use scope to check its 10mhz MHz reference signal from its back. take a look at the photo. is it bad or normal? thanks.


--- End quote ---
Doesn't look anything like 10 mHz.  ;)

For comparison, SDG2042X NIB unit 10 MHz Ref Out > BNC cable > SDS1104X-E 1M input.




Into 50 Ohm termination before channel BNC




Now, this is a perfectly good reference clock not some square wave competition.

john95:
thanks for the answer. The reason I thought it was bad is because I expected it was a perfect sine wave. I remember I saw a youtube on SDG1032x, which was sending out perfect sine wave. It looks like this none sine wave waveform is correct for reference.

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