biff44
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Anyone know of a double conversion IC receiver chip out there. I need access to the IF frequency to put a low frequency bandpass filter in front of the FSK demodulator. The various ISM band chips (CC1101, ADF7023, etc) do not have enough dsp filtering for the jammer suppression I need. I am familiar with the TH71112, which would be great but it has a fixed frequency LO--was hoping for a tunable pll.
