Mruk, Joseph; Hongyu, Zhou; Saito, Yuya; Filipovic, Dejan (Department of Electrical and Computer Engineering, University of Colorado, Boulder, Colorado, USA 80309-0425)
Uhm, Manseok (Electronic and Telecommunication Research Institute, Daejeon, 305-700, Korea)
Wideband mm-wave end-fire and planar log-periodic antennas compatible with a recently developed surface micromachined process known as PolyStrata(TM) are discussed in this paper. Two embodiments of each log-periodic type are developed. Specifically, an instantaneous 2-110GHz and a dualband 18-50GHz and 75-110GHz planar log-periodic antennas with integrated rectangular micro-coaxial feeds/impedance transformers and VSWR < 2.5:1 are designed. An instantaneous 18-110GHz and a dual-band 18-50GHz and 75-110GHz end-fire log-periodic dipole antennas with VSWR < 1.5:1 are also demonstrated. The antennas and integrated feeds are modelled using a finite element code HFSS and are verified with a method of moments code FEKO or a finite integration code CST.