PMC-Sierra Announces Advanced Digital Predistortion Solution Targeted at Wireless Remote Radio Head Architectures.

SANTA CLARA, Calif. -- Combined with Doherty Power Amplifiers, PMC-Sierra's PALADIN(R) 20 Drives Greater Than 40% Power Efficiencies with 20 MHz of Bandwidth for 3G and WiMAX, cutting Energy Costs by 50%

PMC-Sierra, Inc. (Nasdaq:PMCS) today introduced its third generation Digital Predistortion (DPD) solution that enables wireless infrastructure Original Equipment Manufacturers (OEMs) and carriers to deploy cost-effective Remote Radio Head (RRH) solutions with significant capital and operational savings. Offering full software compatibility with PMC-Sierra's PALADIN(R) family, the PM7820 PALADIN 20:

--Powers new Doherty power amplifier (PA) architectures to achieve power efficiencies in excess of 40 percent, more than doubling the efficiency of currently deployed Class A/B LDMOS PAs;

--Enables integration into space-constrained RRH architectures through its 23mm x 23mm footprint;

--Together with PMC-Sierra's BRIC(TM) family of standard Common Public Radio Interface (CPRI) baseband to RF interconnects, provides an end-to-end digital solution for distributed base station architectures; and

--Provides 20 MHz of bandwidth for WCDMA, CDMA2000 and WiMAX applications giving wireless Service Providers enhanced flexibility to deploy various carrier configurations.

"The PALADIN 20 solves the key technical challenge of amplifier linearity, delivering unsurpassed 40 percent efficiency for Doherty PA-based solutions," said David Runton, Manager of RF Systems Engineering at Freescale. "PMC-Sierra's leadership in advanced DPD technology, combined with Freescale's industry-leading Doherty PA products, creates a compelling total solution for the RF market."

Doherty PAs Improve Efficiency and Reduce Costs

The PALADIN 20 provides the enhanced linearization a Doherty PA requires and increases efficiency by reducing the thermal and memory effects that contribute to performance degradation. The solution's advanced DPD algorithm enables Doherty PAs to exceed the 3rd Generation Partnership Project (3GPP) WCDMA specification requirements with greater than 3 dB of margin. The use of highly efficient Doherty PAs in WCDMA and CDMA2000 system deployments provides significant cost savings, including reduced energy expenses due to reduced heat dissipation, cost-effective plastic cooling units, and a smaller footprint that saves cost and board space on the RRH. Doherty PAs, combined with the PALADIN 20's advanced DPD technology, can cut annual energy costs by as much as 50 percent compared to DPD Class A/B PAs. For a typical 15,000 BTS rollout, with three PAs per BTS, this translates into an annual savings of more than $2.1M.

"With millions of PAs being deployed in 3G and WiMAX wireless networks, PMC-Sierra's DPD firmware and mixed-signal technology expertise, combined with Doherty PAs, provides substantial savings in carrier operating expenses," said Dino Bekis, vice president of marketing and applications for PMC-Sierra's Communication Products Division. "The PALADIN 20 and BRIC family provide a complete system solution for multi-carrier distributed base station architectures, significantly accelerating the widespread deployment of 3G services via light-weight, low-cost remote radio heads."

Ideal for Distributed Wireless Base Station Architectures

With its reduced size, advanced DPD technology and unique functionality, the PALADIN 20 is easily integrated into space-constrained RRH architectures. Coupled with the Doherty PA, it allows the implementation of passive cooling in the RRH by removing costly external fans and A/C cooling units, and reducing the size of the PA heat sinks.

PMC-Sierra's RRH Solutions

To further reduce deployment costs of multi-carrier RRH solutions, PMC-Sierra offers a standardized interface that works seamlessly with the PALADIN 20. Depending on the chosen configuration, the PMC-Sierra 6-port interface PM7830 BRIC-6 or the 2-port PM7832 BRIC-2, both full-featured and standards-based termination devices, sit between the baseband and the RF module and enable OEMs and ODMs to offer a CPRI digital interconnect for distributed base station systems. Together, the PALADIN 20 and the BRIC family of products offer a complete, low-cost solution for RRHs, solving both the key challenges of PA efficiency and linearity and delivering a standard RF-to-baseband interface.

Pricing, Availability and Customer Support

The PM7820 PALADIN 20 is currently sampling. For information on pricing, contact a PMC-Sierra sales representative at www.pmc-sierra.com/contactSales/. A comprehensive support package, including datasheets and application notes is available at www.pmc-sierra.com/wireless.

About PMC-Sierra's PALADIN Family of Products

Power Amplifier Linearizer And Distortion INhibitor (PALADIN) is a family of high-speed digital waveform processors for WiMAX and 3G networks. The PALADIN family enables higher-performance and higher-efficiency base stations using fewer and less expensive components. The PALADIN family implements DPD PA technology in base stations providing power efficiency improvements of more than 40 percent. Through its use of low-power, low-cost digital technology, the PALADIN family provides dramatic cost savings for equipment manufacturers and their customers. For more information, visit www.pmc-sierra.com/wireless.

About PMC-Sierra

PMC-Sierra(TM) is a leading provider of broadband communications and storage semiconductors for metro, access, fiber to the home, wireless infrastructure, storage, laser printers and customer premises equipment. PMC-Sierra offers worldwide technical and sales support, including a network of offices throughout North America, Europe, Israel and Asia. The company is publicly traded on the NASDAQ Stock Market under the PMCS symbol and is included in the S&P 500 Index. For more information, visit www.pmc-sierra.com.

Attachments:

Figure 1: RF Transmit Topology for Remote Radio Head

For figures visit: http://www.pmc-sierra.com/pressRoom/pdf/P20_figure.pdf

For photos visit: http://www.pmc-sierra.com/pressRoom/images/P20_image.JPG

Resources to Extend Your Product Knowledge and Understanding

PMC-Sierra Wireless Products www.pmc-sierra.com/wireless

PMC-Sierra New Products www.pmc-sierra.com/products/newProducts.html

PMC-Sierra Webinars www.pmc-sierra.com/webinars

(C) Copyright PMC-Sierra, Inc. 2006. All rights reserved. PMC and PALADIN are registered trademarks of PMC-Sierra, Inc. in the United States and other countries. PMC-SIERRA, PMCS and "Thinking You can Build On" are trademarks of PMC-Sierra, Inc. Other product and company names mentioned herein may be trademarks of their respective owners.