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Power transistor delivers industry’s highest reliability rating and lowest pulse droop

Tue, 09/17/2013 - 9:22am

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M/A-COM Technology Solutions announced a new ceramic GaN on SiC HEMT Power Transistor for avionics applications.

The MAGX-001090-600L00 is a gold-metalized, matched GaN on Silicon Carbide, RF power transistor optimized for pulsed avionics applications, such as secondary surveillance radar in air traffic control systems. The MAGX-001090-600L00 provides 600 W of output power with a typical 21.4 dB of gain and 63% efficiency. The device has very low thermal resistance of 0.050C/W and best-in-class load mismatch tolerance of 5:1. In addition, the device has the lowest pulse droop of 0.2 dB and also can be used effectively under more demanding Mode-S ELM operating conditions.

MACOM’s GaN transistor technology has been fully qualified with accelerated, high-temperature lifetime tests and this device has a predicted MTTF of over 600 years at a maximum junction temperature of 2000C. The device also boasts very high breakdown voltages, which provides customers with reliable and stable operation even in extreme load mismatch conditions.

The table below outlines typical performance:

Parameters

Units

MAGX-001090-600L00

Frequency

MHz

1030-1090

Pout

W

600

Vd

V

50

Power Gain

dB

21.4

Drain Efficiency

%

63

Pulse/Duty

µs/%

32/2

Pulse Droop

dB

0.2

Load Mismatch Tolerance

VSWR

5:1

Rth

˚C / W

0.05

MTTF

Hours

5.2 ·106

Evaluation boards of MAGX-001090-600L00 are available from stock. Final datasheets and additional product information can be obtained from the MACOM website at: www.macomtech.com. Visit MACOM at Booth #169 at European Microwave Week in Nuremberg Germany, 8-10, October, to find out more about the MAGX-001090-600L00 and order samples today.

 

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