Numerical Method for Determination of Microstrip Interdigitated Coupler Design Parameters

Abstract

A method of determining design parameters for the microstrip interdigitated (Lange) coupler is presented. Parameters investigated include coupling coefficients, odd and even mode velocities, and characteristic impedance. A general method of analysis is reviewed, convergence of the method is studied, and a computer program implementing this analysis along with supporting test data are presented. Test results indicate a good agreement between measured and predicted coupling and directivity for the interdigitated couplers.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1976
Accession Number
ADA024028

Entities

People

  • Donald D. Paolino

Organizations

  • Naval Air Weapons Station China Lake

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Agreements
  • Capacitance
  • Charge Density
  • Coefficients
  • Computer Programs
  • Computers
  • Convergence
  • Couplings
  • Dielectric Permittivity
  • Equations
  • Frequency
  • Greens Functions
  • Impedance
  • Insertion Loss
  • Procedures (Computers)
  • Thickness
  • Transmission Lines

Fields of Study

  • Physics

Readers

  • Approximation Theory.
  • Microwave Engineering.

Technology Areas

  • Microelectronics