Re: [Discuss-gnuradio] Multi-rtl - making multi-channel receiver out of multiple RTL-SDR dongles

[Sylvain Munaut]

Hi,

> of the drift remains a mistery (probably due to the implementation of the PLL,
> but I cannot understand why Phase Locked Loops would drift in Phase !).

If the phase comparator is digital ( i.e. a XOR ) and the input clock
is somewhat analog, the gate thresholds might vary depending on
temperature, thus shifting the cycle a bit.

Just a thought.

Cheers,

    Sylvain