Systems and methods for filtering radio frequency signals

Abstract

Embodiments of the present disclosure relate to RF filter systems and methods. In some embodiments, an RF filter system includes a tuning signal injection circuitry, a tuning signal cancellation circuitry, and two FSLs. The RF filter system may receive one or more first RF signals that may include one or more signals of interest (SOIs) and one or more interfering signals. The RF filter system may receive one or more second RF signals that may include one or more tuning signals. The RF filter system may output one or more RF signals containing the one or more SOIs and attenuated versions of the interfering signals, without including the one or more tuning signals.

Dependencies are inferred from the claim text.