The APH669 from Northrop Grumman is a Three-stage Power Amplifier that operates from 81 to 86 GHz. It delivers a saturated power output of 23.5 dBm with a gain of 16 dB and has a PAE of 13%. The amplifier utilizes fully passivated GaAs pHEMT devices to ensure rugged and reliable operation. It requires a DC supply voltage of 4 V and draws 305 mA of current. The APH669 is available as a die that measures 4.17 sq. mm and is compatible with conventional die attach, thermocompression, and thermosonic wire bonding assembly techniques. It is suitable for use in FCC E-band communication Systems in 81-86 GHz frequency band, short-haul / high-capacity links, enterprise wireless LAN, and wireless fiber replacement applications.
