PAs Provide WCDMA Power To +24.5 dBm

Sept. 21, 2010
Femtocells promise to solve the problem of weak wireless broadband signals in homes and offices by allowing mobile devices to connect to their carrier's network through a high-speed Internet backhaul link. To serve such emerging ...

Femtocells promise to solve the problem of weak wireless broadband signals in homes and offices by allowing mobile devices to connect to their carrier's network through a high-speed Internet backhaul link. To serve such emerging applications, the AWB7127 and AWB7123 power amplifiers (PAs) have been designed for use in femtocells, picocells, and in-home customer premises equipment (CPE). These PAs support complex modulation schemes, such as those used in WCDMA, HSDPA, and LTE air interfaces, by providing margin to the adjacent-channelpower (ACPR) requirements at rated output-power levels. They deliver WCDMA power to +24.5 dBm with an ACPR of -50 dBc. Operating in the most popular third-generation (3G) frequency bands, the AWB7123 supports UMTS band 2 in North America. In contrast, the AWB7127 supports band 1 in Europe, Asia, and parts of South America. The AWB7123 and AWB7127 are manufactured using an advanced indium-gallium-phosphide (InGaP), heterojunction-bipolar-transistor HBT), monolithic-microwave-integratedcircuit (MMIC) process technology that promises to deliver reliability, temperature stability, ruggedness. They incorporate RF matching networks optimized for output power, efficiency, and linearity in a 50-Ohm system. P&A: sampling now.

ANADIGICS, Inc., 141 Mount Bethel Road, Warren, NJ 07059; (908) 668-5000, FAX: (908) 668-5068, Internet: www.anadigics.com.

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