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Advantech Announces latest GaN-based amplifier

New SapphireBlu SSPA designed for satellites operating in 12.75 to 13.25 GHz band

Advantech Wireless, a company specialising in satellite broadband communications, has announced an advance in solid-state power amplifier (SSPA) technology with the release of its SapphireBlu Solid State Power Amplifier/Power Block (SSPA/SSPB), based on second generation GaN technology.

The new system is designed to service new satellites operating in the 12.75 to 13.25GHz band.

Cristi Damian, VP Business Development at Advantech Wireless, said: "This new technology is designed to replace multiple older technology klystrons or Traveling Wave Tubes (TWTs), with more resilient technology, much simpler hardware configuration on site, and a considerable reduction in operating expenses."

This small form factor SSPA is designed to be hub mounted very close to the antenna's flange input, eliminating losses through a waveguide, which will now make it possible for a relatively small SSPA - alone - to transmit the signal.  Because of this efficiency, air conditioned shelters for a Klystron or indoor mounted HPA can be eliminated.  Instead of needing multiple antennas at a teleport, operators can reduce their number, simplifying operations at each teleport. 

Tthe unit operates as 1:1 redundant or 1+1 phase combined, to provide additional power when traffic demands, and the unit has a built-in L-band interface Back-Up Converter without separate up converters.

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