Abstract: A multi-band low-profile, low-volume two-way mobile panel array antenna system is described. Operation of the antenna may automatically switch between bands based on various user-entered parameters.

Abstract: A multi-band low-profile, low-volume two-way mobile panel array antenna system is described. Operation of the antenna may automatically switch between bands based on various user-entered parameters.

Abstract: An antenna system comprising a first multi-layer Printed Circuit Board having multiple antenna elements disposed thereon, at least a second multi-layer PCB, which is mounted below the first multi-layer PCB, and which comprises electronic components for processing Radio Frequency signals received by the antenna elements; and multiple RF transitions, which are mounted between the first and second multi-layer PCBs and are operative to transfer the RF signals from the first multi-layer PCB for processing by the electronic components in the second multi-layer PCB.

Abstract: Digital phase shifter, comprising series connection of controlled phase shifting bits (3a-3k), each of them inserts determinate amount of phase delay of the passing signal, wherein the phase change occur in response to the control signal switching the phase cells 3k and applied to its steering terminal 4k for a switching element (11, 21, 22, 31, 32) of each of the cells 3, characterized in applying as a switching element (11,21,22,31,32) the discrete p-HEMT (pseudomorphic high electron mobility transistors) with positive or negative pinch-off voltage.

Abstract: Mobile antenna system comprising rotary part by azimuth, which is an electronically steered in elevation phase array antenna, comprising: plurality of (multi)layered structures, placed at certain levels, said structures include microstrip antenna elements (12), feeding lines (20), which properly combined and guide the electromagnetic energy, forming the necessary phase and amplitude distribution over the antenna elements, a plurality of electronic modules (28) providing amplification, phase change, frequency conversion and steering of the received signal, power supply and control circuits for the same electronic modules; a plurality of vertical transitions (13), providing the passing of the electromagnetic energy between the layered structures from different levels; frequency converting device and rotary joint (18), passing the received signal, the power supply and control circuits to the static part; sensors detecting the spatial movement of the system, and power supply and control units; static part, compri

Abstract: Digital phase shifter, comprising series connection of controlled phase shifting bits (3a-3k), each of them inserts determinate amount of phase delay of the passing signal, wherein the phase change occur in response to the control signal switching the phase cells 3k and applied to its steering terminal 4k for a switching element (11, 21, 22, 31, 32) of each of the cells 3, characterized in applying as a switching element (11,21,22,31,32) the discrete p-HEMT (pseudomorphic high electron mobility transistors) with positive or negative pinch-off voltage.