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Home > Technology List > GaN high electron mobility transistors target 2.9- to 3.5-GHz S-Band r

GaN high electron mobility transistors target 2.9- to 3.5-GHz S-Band radar amplifier systems

Update Time: 2019-12-20 23:30:06

GaN high electron mobility transistors target 2.9- to 3.5-GHz S-Band radar amplifier systems

Cree has introduced two new gallium nitride (GaN) high electron mobility transistors (HEMTs) for use in 2.9-GHz to 3.5-GHz S-Band radar amplifier systems, including: weather, air traffic control, marine, port surveillance, and search and rescue radar applications. Based on the company’s high power density 50-V, 0.4-μm GaN on silicon carbide (SiC) foundry process and performance rated at 85°C case, both the 150-W CGHV35150 and 400-W CGHV35400F exhibit high efficiency, high power gain, wide bandwidth capabilities, and uniform performance at high temperatures. The CGHV35150 features 150-W typical output power, 13.5-dB power gain, and 50 percent typical drain efficiency. The CGHV35400F features 400 W of typical output power, 10.5-dB power gain, and 60 percent typical drain efficiency. Both the 150-W and 400-W S-Band GaN HEMTs are specified at 85°C case and feature <0.3-dB pulsed amplitude droop.

Cree, Inc., www.cree.com

Cree is the market's leading innovator and semiconductor manufacturer, increasing their value by significantly improving the energy efficiency of solid state lighting, power and communications products. Cree's market advantage lies in its unique material expertise in the field of GaN-based silicon carbide (SiC) and its use in the manufacture of chips and complete devices that can be used in very small spaces. It handles more power, while its materials and products generate less heat than other prior art. Cree's Energy Return Solution (ROETM) is used in a variety of applications, including a variety of exciting options, including brighter, more adjustable LEDs for general lighting and more vivid displays. Backlight, optimal power management for high current switching power supplies and variable speed motors, and more efficient wireless infrastructure for data and voice communications. Cree's customer base ranges from new lighting fixture manufacturers to federal agencies related to defense. Cree's product line includes blue and green LED chips, lighting LEDs, backlight LEDs, power switching devices, and broadcast/wireless devices.

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