I did that on purpose. There are myriad instances where you want the
recovered carrier or tone but not have the complex input mixed to the
"new zero". If you want a recovery and baseband, I suggest that rather
than do an if test, we make a new module that is track and mix.
Bob
Matt Ettus wrote:
Bob --
I think we have a problem with carriertracking -- it was supposed to
mix the input signal down, and output that, but it looks like it just
outputs the reference, like refout.
Charles --
To detect AM, you can:
1 - take output of pll_refout_cc, take its complex conjugate and
complex multiply that by the input signal. The audio you want is in
the real output. The imaginary output should only have noise. If the
RMS value of both is about the same you don't have lock, or the signal
is very noisy.
-OR-
2 - Fix pll_carriertracking_cc to do what I said in 1, above, since
that is what it was supposed to do.
Matt
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