Accession Number : ADP005420

Title :   Swept Frequency Technique for Dispersion Measurement of Microstrip Lines.

Descriptive Note : Technical memo.,

Corporate Author : NATIONAL AERONAUTICS AND SPACE ADMINISTRATION CLEVELAND OH LEWIS RESEARCH CENTER

Personal Author(s) : Lee,Richard Q.

Report Date : FEB 1987

Pagination or Media Count : 18

Abstract : Microstrip lines used in microwave integrated circuits are dispersive. Because a microstrip line is an open structure, the dispersion can not be derived with pure TEM, TE, or TM mode analysis. Dispersion analysis has commonly been done using a spectral domain approach, and dispersion measurement has been made with high Q microstrip ring resonators. Since the dispersion of a microstrip line is fully characterized by the frequency dependent phase velocity of the line, dispersion measurement of microstrip lines requires the measurement of the line wavelength as a function of frequency. In this paper, a swept frequency technique for dispersion measurement is described.

Descriptors :   *SWEEP FREQUENCY TECHNIQUES, *DISPERSION RELATIONS, *STRIP TRANSMISSION LINES, INTEGRATED CIRCUITS

Subject Categories : Test Facilities, Equipment and Methods
      Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE