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LTE/WiMAX power amp boosts linear output power

Posted: 13 Dec 2011     Print Version  Bookmark and Share

Keywords:power amplifier  WiMAX  LTE  broadband wireless 

Anadigics Inc. unveils the AWM6268, an addition to its mobile 4G power amplifier (PA) family that is optimised for high-data-rate broadband wireless devices such as smartphones, notebooks, netbooks, data cards and Wi-Fi hotspots by offering increased output power to deliver greater range and throughput in the 2.5-2.7GHz frequency band.

"While LTE technology continues to gain traction, mobile broadband system operators around the world continue to deploy and expand WiMAX networks, offering new WiMAX-enabled devices to support the rapidly increasing demand for wireless data," said Glenn Eswein, director of product marketing for broadband RF products at Anadigics.


The AWM6268 claims to deliver greater range in the 2.5-2.7GHz band.

"As 4G applications evolve, it is becoming more evident that the performance of the PA affects network performance and the user experience directly," stated Joe Cozzarelli, senior director of broadband RF products at Anadigics. "The new AWM6268 power amplifier enables a wider range of these applications by delivering enhanced linear output power and efficiency."

In WiMAX applications, the PA provides what is claimed to be best-in-class linearity of 2.5 per cent error vector magnitude (EVM) and high power-added efficiency (PAE) of 25 per cent at 26dBm output power to help maintain battery-life under demanding, data-intensive usage. In LTE applications, the PA delivers 33 per cent power-added efficiency at 28dBm output power. The AWM6268 meets WiMAX spectrum emissions mask limits at 26dBm output power and UTRA adjacent channel power limits at 28dBm output power.

The RoHS compliant AWM6268 operates at 3-4.2V supply voltage and uses a 4 x 4 x 1mm package footprint, a pin-out and controls that are compatible with the earlier AWT6264 PA.

Anadigics' family of 4G PAs is manufactured using the firm's InGaP HBT MMIC technology that claims to offer reliability, temperature stability and ruggedness.

Samples of Anadigics' WiMAX power amplifiers are available.

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