Communications

Mobile satellite broadband connectivity challenge solved

11th September 2019
Alex Lynn

Phasor has worked with Vicor to develop a power solution for its new system that provides connectivity speeds and bandwidth previously unachievable while on the move. The technology reportedly represents a major breakthrough in delivering reliable satellite connectivity in aeronautical, maritime, land mobile and defence applications.

The technology will also enable the end user travelling on any mode of transportation to enjoy true mobile broadband connectivity, and all the applications that this will enable.

Phasor’s modular, flat or conformal, solid-state electronically steered antenna systems are less than 1.5 inches thick, presenting an extremely low profile, and matching the performance of traditional parabolic dish antennas from 40 to 100cm or larger. Using low-profile components operating at high power density, Phasor’s mobile communications systems rely on Vicor’s FPA to provide extremely high current at very low voltage.

“Vicor is a valued partner in supporting the technical innovation helping to differentiate Phasor’s products,” said Mike Warren, Senior Vice President, Operations at Phasor. “The FPA technology plays an integral role in our ESAs and we look forward to continuing our work with Vicor as we start to roll out our products commercially.”

Vicor’s FPA package consists of a Pre-Regulator Module (PRM) and a Voltage Transformation Module (VTM)/Current Multiplier which together deliver the full, regulated, isolated DC-DC converter function. The Voltage Transformation Module (VTM) is a resonant converter and therefore also has very low noise when compared to a hard switched converter.

Vital to realising performance targets in small and large aperture Phasor ESAs is the ability of Vicor’s systems to transform a 48V supply into a 1.5V supply (one volt in the next generation of antenna with even higher current).

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