A novel Ka band multi-layer SIW power divider

Planar reconfigurable antennas for satellite communications

“…Most of the traditional passive microwave components have been designed in SIW technology, e.g., cavity filters [26][27][28], power dividers [29][30][31], couplers [32][33][34], six port junctions [35] and beam steering networks [36,37] The most common antennas used in SIW are cavity based antennas or slotted waveguide antennas. Examples of novel designs are shown in [38][39][40][41].…”

“…Each slotted waveguide has five slots. The power distribution network is formed by T-dividers [29] with an inductive wall and a capacitive iris. The distribution network and the slotted waveguides are usually made in the same layer [69].…”

“…The purpose of this chapter is to describe the design and manufacturing issues of a low profile array antenna for the upper ka band (29)(30)(31). The antenna has a directivity close to 32 dBi and linear polarization.…”

“…On the other hand, the satellite frequencies are increasing. The last band to be occupied by satellite communications is the Ka band (20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30) and the frequencies are expected to grow up in the future. For these reasons, there is a need of new antennas and technologies with lower profile and with electronic reconfigurability in higher microwave bands.…”