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Silicon-based power amp targets 5GHz wireless apps

Posted: 16 Sep 2010     Print Version  Bookmark and Share

Keywords:power amplifier  silicon-based  5GHz ISM band 

RFaxis introduces the RFP5001, which claims to be the first commercial 5GHz wideband linear power amplifier on silicon.

This silicon-based power amplifier is designed to increase both range and throughput for demanding, data-intensive 802.11a/n/p wireless connectivity applications such as ultra mobile productivity devices including notebooks, netbooks, smartbooks, and e-readers; cellular handsets and smartphones; WLAN server devices including access points, routers and gateways; High Definition (HD) multimedia streaming and Wireless Home Digital Interface (WHDI) support; WiMAX/4G base stations; car-to-car/car-to-infrastructure WAVE applications; and other systems operating in 5GHz ISM band.

"To satisfy the compelling demand from leading Original Design Manufacturers (ODMs), Multi-Chip Module (MCM) makers and other high volume RFaxis customers for a silicon-based power amplifier for 5GHz band applications, RFaxis once again demonstrates the versatility and robustness of its patent-pending RF Front-end IC (RFeIC) architecture," said Mike Neshat, president and CEO of RFaxis.

Neshat further added, "The rapidly growing need for high data rate wireless connectivity throughout the home for the new generation of 3D HDTVs and HD multimedia streaming devices, reliable high-speed internet access and high-performance gaming is motivating our customers to accelerate their support of the 5GHz spectrum to robustly deliver large volumes of high speed wireless data over a greater distance. This migration to the broad bandwidth 5GHz spectrum is further accelerated by a rapidly growing volume of WiMAX/4G and WAVE projects underway to solidify the infrastructure for modern wireless connectivity. Complementing the overwhelming demand for our fully integrated, single-chip/single-die WLAN 5GHz RFX5008 RFeIC chip, our RFP5001 stand-alone power amplifier is a logical extension to our portfolio of RFeIC solutions for wireless connectivity."

The RFP5001 is a highly integrated, plug & play, RF-matched, linear power amplifier on silicon that covers the full 802.11a/n/p frequency band (4.9 to 5.95GHz) and is designed for all 5GHz systems.

The RFP5001 delivers a maximum linear power greater than 19dBm and a gain greater than 20dBm at a bias voltage of 3.3V. For a lower bias voltage of just 2.3V, the RFP5001 can still deliver a maximum linear power greater than 15dBm for 54Mbit/s OFDM signal with EVM less than 3.5 per cent, making the RFP5001 suitable even for ultra-mobile, low battery voltage applications.

Additionally, CMOS compatible control logic along with on-chip harmonic filters dramatically simplify design-in activities and reduce overall BOM costs.

Currently sampling, the RFP5001 power amplifier will be commercially available in a standard 3x3x0.5mm QFN package and priced below Rs.18.68 ($0.40) per unit in high volumes.

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