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Sykworks injects LNAs with pHEMT, SiGe tech

Posted: 06 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:LNA? low noise amplifier? pHEMT? SiGe? LNA?


Skyworks Solutions Inc. has unveiled a new suite of LNAs featuring pseudomorphic high electron mobility transistor (pHEMT) and silicon germanium (SiGe) technologies.

The new high performing, low cost product family serves various industry applications including GPS; infrastructure such as GSM, W-CDMA and Lone Term Evolution base station transceivers; ISM band and satellite radio; and WLAN markets. In addition, Skyworks is expanding into higher frequency, higher linearity, and even lower noise figures with the company's latest pHEMT7 technology and enhancement mode pHEMT devices.

"This is an exciting development for Skyworks, and opens up an entirely new product line and market," said David C. Stasey, Skyworks VP of analog components. "Skyworks has uniquely designed these discrete pHEMT devices to achieve ultra low noise that supports the high performance requirements for modern receiver designs. We are also utilizing SiGe technology to produce integrated LNA devices. These new devices address low cost and efficiency while providing the added functionality of silicon. With the addition of these new LNA devices, our GPS, infrastructure, ISM, satellite and WLAN customers are thrilled with our new offerings."

The SKY65050-372LF low noise transistor, the first released product in this family, is a high performance, low noise, n-channel, depletion mode pHEMT, fabricated from Skyworks' advanced pHEMT process and packaged in a miniature 4-lead SC-70 package. The transistor's low noise figure, high gain, and excellent third order intercept (IP3) allows it to be used in various receiver and transmitter applications.

The transistor is Pb-free, RoHS compliant, conforms to the environmental impact assessment (EIA)/European information and communications technology industry association (EICTA)/Japan electronics and information technology industries association joint industry guide Level A guidelines, and is free from antimony trioxide and brominated flame retardants.

This new product has been released with a full toolkit of application resources to assist in securing new sockets. In addition, the new device will allow for higher gain and linearity while still providing noise figure solutions below 0.7dB.

The SKY65050-372LF is available now and priced at 25 cents each in quantities of 10,000 devices

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