Compact, Frequency-Agile, Absorptive Bandstop Filters

Abstract

Two new absorptive bandstop filter circuit topologies are introduced. The preferred topology is analyzed and its advantages over traditional approaches quantified. A corresponding varactor-tuned microstrip absorptive bandstop filter is described and its unique ability to maintain its attenuation while tuning across a broad frequency range using only resonant frequency tuning is demonstrated.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2005
Accession Number
ADA537526

Entities

People

  • Douglas R. Jachowski

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Attenuation
  • Bandpass Filters
  • Bandstop Filters
  • Bandwidth
  • Filters
  • Frequency
  • Impedance
  • Losses
  • Military Research
  • Notch Filters
  • Phase Shift
  • Resonance
  • Resonant Frequency
  • Resonators
  • Topology
  • Transmission Lines

Fields of Study

  • Engineering

Readers

  • Computational Fluid Dynamics (CFD)
  • Microwave Engineering.

Technology Areas

  • Microelectronics