End-correction network of a coaxial probe for microstrip patch antennas

A simple end-correction network for the constant current probe model of probe-fed microstrip patch antennas is derived. The parameters of the network are solved asymptotically and verified by the numerical solution of the integral equation formulation. Based on the analysis of a problem concerning a coaxial-fed microstrip patch, it is concluded that: (1) TEM (transverse electromagnetic) aperture field approximation can provide an accurate result to the input admittance, and there is no need to introduce a specific correction network for most applications; and (2) Constant current probe is valid only when both k/sub 1/h >

[1]  D. V. Otto,et al.  The Admittance of Cylindrical Antennas Driven From a Coaxial Line , 1967 .

[2]  D. Chang,et al.  On the electrically thick monopole: Part I--Theoretical solution , 1968 .

[3]  Carl E. Baum,et al.  On the Singularity Expansion Method for the Solution of Electromagnetic Interaction Problems , 1971 .

[4]  Raj Mittra,et al.  Analytical techniques in the theory of guided waves , 1971 .

[5]  Y. Lo,et al.  An Improved Theory for Microstrip Antennas and Applications. Part I. , 1979 .

[6]  P. Tulyathan,et al.  Analysis of microstrip antennas using moment methods , 1981 .

[7]  K. Carver,et al.  Microstrip antenna technology , 1981 .

[8]  A. G. Williamson.  Equivalent circuit for radial-line/coaxial-line junction , 1981 .

[9]  E. Kennaugh,et al.  The K-pulse concept , 1981 .

[10]  Stuart A. Long,et al.  EXPERIMENTAL AND THEORETICAL INVESTIGATION OF THE INDUCTANCE ASSOCIATED WITH A MICROSTRIP ANTENNA FEED , 1983 .

[11]  L. Pearson,et al.  A note on the representation of scattered fields as a singularity expansion , 1984 .

[12]  M. A. Morgan,et al.  Singularity expansion representations of fields and currents in transient scattering , 1984 .

[13]  Edward J. Rothwell,et al.  Radar target discrimination using the extinction-pulse technique , 1985 .

[14]  Kun-mu Chen,et al.  Frequency domain E-pulse synthesis and target discrimination , 1985 .

[15]  Kun-mu Chen,et al.  Radar target discrimination by convolution of radar return with extinction-pulses and single-mode extraction signals , 1986 .

[16]  Y. T. Lo,et al.  Input impedance of a probe-fed circular microstrip antenna with thick substrate , 1986 .

[17]  Daniel H. Schaubert,et al.  Target identification using optimization techniques , 1990 .