Qorvo launches GaN PAs for mission-critical Ka-band satcom and X-band phased-array radar applications

Qorvo Inc of Greensboro, NC, USA (which provides core technologies and RF solutions for mobile, infrastructure and defense applications) has launched two new gallium nitride (GaN) power amplifier (PA) families for domestic and international Ka-band satcom and X-band phased-array radar applications. The solutions, which are claimed to deliver best-in-class power, linearity and efficiency in a smaller footprint, enable higher system performance while reducing costs.

The QPA2212 for Ka-band applications has what is said to be the industry’s highest linearity for wideband multi-carrier systems, delivering 20W of RF power operating over the 27-31GHz frequency band. There are also 14W QPA2211D and 7W QPA2210D options. Delivering higher linear power in a single monolithic microwave integrated circuit (MMIC) PA enables cost reduction and performance enhancing opportunities, the firm states. The QPA2212D is available now in die form; packaged versions will be available in August.

Available now in both packaged and die versions, the QPA1022 for X-band phased arrays offers what is claimed to be best-in-class power-added efficiency of 45% at 4W RF power in the 8.5-11GHz range - an increase of 8% over previous products while providing 24dB large-signal gain. These capabilities translate into maximum power with minimum heat, higher reliability and lower cost of ownership, says Qorvo, adding that designers can create higher-density arrays and achieve greater range for the same power budget.

“These new amplifiers expand Qorvo’s already-large portfolio of differentiated GaN products for defense applications,” says Dean White, director of defense and aerospace market strategy. “Their advanced capabilities and packaging leverage our more than 30 years of expertise in designing and delivering RF solutions for this market, and also offer viable options for commercial 28GHz 5G network design.”

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