My design finally works!

[ivconic]

Nice job... and an interesting assembly approach. One question: Why didn't you omit the breadboards and move the microcontroller board directly onto the actual circuit board?

I thought I'd ask the same question... but in the meantime the answer came in post #30...

[Pep_T]

And here it is a view of the display. It shows the measured TX frequency, Q and I channels (whith their K and P indexes to minimizes them, controlled by the encoder), module and phase of the received signal. I am now working on the code level in order to perform better averages of the values in order to minimize noise. The magnitude is too noisy to use it as a trigger for detection, I am still using Q as a target detector.

[Carl-NC]

The magnitude is too noisy to use it as a trigger for detection, I am still using Q as a target detector.

That's what everyone does.

[Pep_T]

I tought I could do something a little more sophisticated, but it is not really important.