Circularly polarized far fields of an axially magnetized circular ferrite microstrip antenna

Abstract

The theoretically derived far‐field components of a circular ferrite microstrip antenna (FMA), biased axially by a steady magnetic field, are reported in this letter. The circular polarization, obtained theoretically, is compared with the measured result.

GA optimization of cutoff frequency of magnetically biased microstrip circular patch antenna

“…This curve (Fig. 4) is plotted at 1500 Oe for LiTi-ferrite slab at SSPL Timarpur Delhi, on which microstrip patch antenna has been designed [6][7][8][9][10][11][12][13][14][15][16].…”

Polarization Characteristics of Patch Antenna Using In-Plane and Weakly Biased Ferrite Substrate

“…On the other hand, many papers deal with microstrip antennas using magnetized ferrite for the purpose of pattern control [2], tuning [3]- [8] and CP generation [5], [9]. This paper deals with a square antenna fed by a cross-slot using an in-plane biased ferrite that perturbates the two degenerated modes on the patch crossing at right angles.…”

Dispersion characteristics of LiTi‐Ferrite radome

“…To satisfy such requirements, various types of planar monopole antennas have been developed for UWB communications over the last few years. Also, several bandwidth enhancement techniques have been reported, to improve the impedance bandwidth of these antennas, such as the use of the multiple feeds techniques [2], beveling radiating element [3], a beveling ground pattern [4], offset feeding techniques [5], feed-gap optimization [6], ground-plane shaping [7], a notched ground-plane [8][9][10], and so on.…”