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Gain blocks tout high linearity, low dissipation

Posted: 29 Dec 2010 ?? ?Print Version ?Bookmark and Share

Keywords:power amplifier gain block? cellular infrastructure?

Avago Technologies has announced two gain block solutions that expand its high-performance power amplifier family targeting cellular infrastructure applications.

The new MGA-31589 and MGA-31689 0.5-watt gain blocks feature high linearity, high gain, superior gain flatness and low power dissipation. The MGA-31589 gain block addresses cellular and WiMAX wireless base station and other wireless systems operating between 450 to 1500MHz, while the MGA-31689 device addresses these applications operating between 1500 to 3000MHz.

The MGA-31x89 power amplifier family is optimized for frequency in order to deliver enhanced performance across all the major cellular bands?GSM, CDMA, UMTS as well as LTE bands. These gain blocks join with the 0.25W MGA-31189 and MGA-31289 devices and the 0.10W MGA-31389 and MGA-31489 devices to serve applications from 50 to 3000MHz.

These MGA-31x89 devices are all available in the compact, industry-standard SOT-89 package. Sharing a common footprint and PCB layout permits a single design to support multiple frequencies and geographic markets with a choice of output power. The gain blocks may also replace existing market solutions as a pin-to-pin, drop-in replacement offering better linearity and power performance.

Availability: Samples, a demonstration board and production quantities of MGA-31589 and MGA-31689 high-gain power amplifiers are now available worldwide.

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