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Mimix unrolls GaAs MMIC balanced PA, driver amp

Posted: 08 Aug 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Mimix? power amplifier? driver amplifier? XP1015? XP1016?

Mimix PA and driver amp

Mimix Broadband Inc. has introduced a GaAs monolithic microwave integrated circuit (MMIC) three-stage balanced power amplifier and complementary three-stage driver amplifier. Both the balanced power amplifier and the driver amplifier use 0.15n gate length GaAs pseudomorphic high electron mobility transistor (pHEMT) device model technology.

According to the company, the power amplifier has a balanced design to achieve output match, covers the 43.5-46GHz frequency bands, and has a small signal gain of 12dB with 31dBm P1dB compression point. The driver amplifier covers this same frequency band and achieves a small signal gain of 14dB with 24dBm P1dB compression point. Used as a driver and final stage cascade, this chipset achieves 26dB gain and 2W saturated output power, the company said.

The balanced power amplifier and driver amplifier, identified as XP1015 and XP1016, respectively, are suitable for wireless communications applications such as millimeter-wave point-to-point radio, local multipoint distribution services (LMDS) and SATCOM applications.

"This chipset provides over 2W of saturated power at 44GHz and can be used with our integrated up-converters to provide a complete transmitter chain," said Dr. Jim Harvey, CTO Emeritus of Mimix.

Mimix said it performs 100 percent on-wafer RF, DC and output power testing on the XP1015 and XP1016, as well as 100 percent visual inspection to MIL-STD-883 method 2010. The chips also have surface passivation to protect and provide rugged parts with backside via holes and gold metallization to allow either a conductive epoxy or eutectic solder die attach process.

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