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by steamfire
Sun Sep 13, 2020 7:55 am
Forum: General
Topic: Notch Filter Question
Replies: 5
Views: 529

Re: Notch Filter Question

How would I null out birdies if there's no user adjustable notch filter? I am trying to decode an AFSK signal 50khz wide, but it is straddling two birdies/DC offsets from a HackRF. The birdies are stronger than the AFSK tones most of the time, and are present when the transmitter is not turned on, s...