30 November 2011

Anadigics expands 4G range with WiMAX/LTE PA delivering higher linear output

RF and mixed-signal semiconductor maker Anadigics Inc of Warren, NJ, USA has expanded its mobile 4G power amplifier (PA) family. The new AWM6268 WiMAX/LTE power amplifier provides linearity and integration similar to that of Anadigics’ current WiMAX solutions, while increasing output power to deliver greater range and throughput in the 2.5-2.7GHz frequency band. This device also delivers what is claimed to be exceptional linearity and output power for LTE applications. Anadigics’ 4G PAs are optimized for high-data-rate broadband wireless devices such as smartphones, notebook PCs, netbooks, data cards, and Wi-Fi hotspots.

“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,” says Glenn Eswein, director of product marketing for broadband RF products. “Anadigics remains at the forefront of WiMAX RF performance by providing power amplifiers that enable longer range and higher throughput, while maximizing battery-life,” he claims. “These performance advantages have been validated by volume shipments of our existing WiMAX PA products, and through design wins with the new AWM6268,” Eswein adds.

“As 4G applications evolve, it is becoming more evident that the performance of the PA affects network performance and the user experience directly,” comments Joe Cozzarelli, senior director of broadband RF products. “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% error vector magnitude (EVM) and high power-added efficiency (PAE) of 25% at +26dBm output power to help maintain battery-life under demanding, data-intensive usage. In LTE applications, the PA delivers high linearity and 33% 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.

With a high level of integration (including an integrated step attenuator and RF input and output impedance matching circuits), the AWM6268 uses a package footprint (4mm by 4mm by 1mm), a pin-out and controls that are compatible with the earlier AWT6264 PA.

Anadigics’ complete family of 4G PAs is manufactured using the firm’s InGaP HBT MMIC technology, which offers reliability, temperature stability, and ruggedness. As well as the 2.3-2.7GHz AWT6264 (which has a PAE of 24% at 25dBm output power), Anadigics’ WiMAX PA family also includes the 3.3-3.8GHz AWT6283 (which has a PAE of 22% at 25dBm output power).

Samples of Anadigics’ new WiMAX power amplifiers are available now.

Tags: Anadigics WiMAX/LTE PA

Visit: www.anadigics.com/products/view/awm6268

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