Tunable Notch Filter

The Ranatec RI 261 is a high performance programmable electronically tunable notch filter (tunable band reject filter) using state-of-the-art technology.

The RI 261 Tunable Notch Filter is fully equipped for conformance testing across all existing mobile bands up to and including 3 800 MHz. Filter characteristics are remained constant across the entire frequency range. A frequency extension unit (RI 4271) is available as an option to complement the tunable band reject filter, extending the pass band up to 26,5 GHz.