Products > Test Equipment
FeelTech FY6600 60MHz 2-Ch VCO Function Arbitrary Waveform Signal Generator
beanflying:
Fairly simple you are blaming the source without considering the measurement tool and the cable leading up to it as the potential problem. Incorrectly terminated transmission lines (not impedance matched) not to mention breadboards SUCK and are as noisy as ......
radiolistener:
--- Quote from: aneevuser on July 17, 2019, 09:08:44 am ---unless I can figure out how to replace the power supply.
--- End quote ---
Here is experience of one user to replace power supply with linear one. It helps a lot to remove such noise.
It is in russian, but I'm sure you will understand all from pictures.
https://www.nickbel.com/2018/10/05/zamena-bp-na-lineynyy-transformatornyy.html
aneevuser:
--- Quote from: beanflying on July 17, 2019, 09:16:16 am ---Fairly simple you are blaming the source without considering the measurement tool and the cable leading up to it as the potential problem. Incorrectly terminated transmission lines (not impedance matched) not to mention breadboards SUCK and are as noisy as ......
--- End quote ---
Well, it's always worth considering alternative explanations but if this were a transmission line problem, would it not be strongly frequency dependent? I see precisely the same noise signature from DC up to 1 MHz. In addition, as I mentioned earlier, it's present directly at the BNC output of the device so the presence of the cable or breadboard is irrelevant.
I'm not convinced this has anything to do with transmission line problems.
aneevuser:
--- Quote from: radiolistener on July 17, 2019, 09:46:56 am ---
Here is experience of one user to replace power supply with linear one. It helps a lot to remove such noise.
It is in russian, but I'm sure you will understand all from pictures.
--- End quote ---
Thanks. Looks useful. My Russian isn't too bad, so with the autogenerated subtitles, I should be able to understand a fair bit of that. I guess that there'll be others on Youtube as well, if this is a known problem with the device.
CDaniel:
You don't have to know russian , if you have patience to read this thread you will find that for a long time users have replaced that crappy cheap SMPS with a transformer + linear regulators and how they did it .
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version