vaka85
Advanced Member level 4
Hello,
I have to measure the phase difference between two sine waves, frequency about 1 MHz.
Since they have low SNR values, it's very hard to see them in the scope, and so save them.
So I was thinking if it's possibile to use a PLL to fix the phase of one of the two signals, and measure the phase shift from it.
Even if it's noisy in the scope, if I save it, then I can processate it in the pc, because I'm sure that the phase is fixed.
I have never used a PLL, and honestly I don't know for sure if it's useful in my case, because on the web everyone use PLL to detect frequency differences, and not phase differences..
What do you think?
Thank you
I have to measure the phase difference between two sine waves, frequency about 1 MHz.
Since they have low SNR values, it's very hard to see them in the scope, and so save them.
So I was thinking if it's possibile to use a PLL to fix the phase of one of the two signals, and measure the phase shift from it.
Even if it's noisy in the scope, if I save it, then I can processate it in the pc, because I'm sure that the phase is fixed.
I have never used a PLL, and honestly I don't know for sure if it's useful in my case, because on the web everyone use PLL to detect frequency differences, and not phase differences..
What do you think?
Thank you