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- Sun Sep 13, 2020 7:55 am
- Forum: General
- Topic: Notch Filter Question
- Replies: 8
- Views: 2711
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...