PicoScope 7 Software
Available on Windows, Mac and Linux
2208 Channel THD Difference
2208 Channel THD Difference
Hello,
I have setup a test signal from my 2208 GEN output of 1khz/2V and measured directly on channels A & B.
What I am measuring gives me the impression my scope is faulty.
Channel A https://ibb.co/fwSOt9
Channel B https://ibb.co/j2Drfp
Am I doing something wrong?
I have setup a test signal from my 2208 GEN output of 1khz/2V and measured directly on channels A & B.
What I am measuring gives me the impression my scope is faulty.
Channel A https://ibb.co/fwSOt9
Channel B https://ibb.co/j2Drfp
Am I doing something wrong?
Re: 2208 Channel THD Difference
Hi Yostin,
I don't think that you have a faulty Scope. It looks like you have different input ranges or probe settings/switches set for the 2 channels, and you're using a square-wave with odd harmonics, which would make the screen shots perfectly normal.
But we need to confirm exactly what you are doing. Could you post a psdata file for the Scope Mode plots and one for the Spectrum mode plots, and a photo of how everything is connected up.
Regards,
Gerry
I don't think that you have a faulty Scope. It looks like you have different input ranges or probe settings/switches set for the 2 channels, and you're using a square-wave with odd harmonics, which would make the screen shots perfectly normal.
But we need to confirm exactly what you are doing. Could you post a psdata file for the Scope Mode plots and one for the Spectrum mode plots, and a photo of how everything is connected up.
Regards,
Gerry
Gerry
Technical Specialist
Technical Specialist
Re: 2208 Channel THD Difference
Hi Gerry,
Thanks for the reply.
You are correct, I have setup the test again and all looks well now.
Thanks for the reply.
You are correct, I have setup the test again and all looks well now.