Wideband Jammer Dynamic Frequency Notch Filter for Interference Reduction
Navy SBIR FY2008.1


Sol No.: Navy SBIR FY2008.1
Topic No.: N08-027
Topic Title: Wideband Jammer Dynamic Frequency Notch Filter for Interference Reduction
Proposal No.: N081-027-0064
Firm: Zeger-Abrams Incorporated
1112 Clark Road
Glenside, Pennsylvania 19038-7504
Contact: Burton Abrams
Phone: (215) 576-5566
Web Site: www.erols.com/zeger
Abstract: This proposal presents a novel method for implementing a bank of notch filters at the output of a wideband high power amplifier that are each independently agilely adjustable in bandwidth and center frequency from VHF to L band. The technique offers the capability of achieving notch bandwidths as narrow as a single legacy communications channel with extremely low RF passband insertion loss and very low reflection in both the passband and the stopband.
Benefits: The development of the proposed notch filter technique will allow blue force radio receivers to maintain reception range in the presence of interference from nearby high power radio transmitters such as jammers or cosite communications equipment.

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