A Broadband VHF-L Band Cavity-Backed Slot Spiral Antenna

Abstract

Slot spiral antennas offer the possibility for very thin and conformal designs. This report covers the physical characteristic of a cavity-backed slot spiral, as well as the associated infinite balun and termination designs. The report traces through the development and characteristics of a 6 inch and 18 inch version of the slot spiral. Simulations and measurements of various cavity-backed spirals are presented and used to optimize the antenna's computations. Several options for miniaturizing this design using capacitive and inductive loadings are also presented.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 2005
Accession Number
ADA434995

Entities

People

  • John L. Volakis

Organizations

  • University of Michigan

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Aircrafts
  • Antenna Radiation Patterns
  • Antennas
  • Bandwidth
  • Broadband
  • Frequency
  • Inertial Navigation
  • Inertial Navigation Systems
  • L Band
  • Measurement
  • Military Research
  • Navigation
  • Radio Frequency
  • Simulations
  • Spiral Antennas
  • Test Equipment

Readers

  • Integrated Circuit Design and Technology.
  • Phased Array Antenna Design.