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Power amps step up linearity for WiMAX, Wi-Fi terminals

Posted: 15 Jun 2007 ?? ?Print Version ?Bookmark and Share

Keywords:Mobile WiMAX? WiMAX? power amplifiers? Wi-Fi?

Sirenza Microdevices released two additions to its product line for Mobile WiMAX (802.16 e) and Wi-Fi (802.11 b/g/n) applications.

The SZM2166Z and SZM3166Z are high linearity power amplifiers increasing the linear power for WiMAX and Wi-Fi Terminals to more than 27dBm, enabling increased range and higher data throughput in consumer terminals and access points.

Produced using InGaP HBT technology, SZM2166Z operates over the full 2.3-2.7GHz frequency range with 36dB of gain and provides more than 27dBm of linear power at 2.5 percent EVM. SZM3166Z operates over the 3.3-3.8GHz frequency band with 35dB gain and also provides 27dBm of linear power at 2.5 percent EVM.

Both products operate from a single positive supply and feature an adjustable on chip active bias circuit providing the designer with the flexibility to optimize performance for the specific application. Both products also feature power up/power down control to save power during receive modes and an on-chip power detector.

The devices are housed in a low cost surface mount 6x6 QFN package, have an ESD rating of class 1C (1KV HBM) in accordance with Sirenza's 3R program for reliable, rugged and robust performance.

The SZM2166Z and SZM3166Z are available for immediate shipment in a RoHS compliant, Pb-free package.

- Ismini Scouras

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