Mid and high-power WiFi power amplifiers
07 June 2010
The 2.4 - 2.5 gigahertz power amplifiers are for 802.11n (MIMO) access points, routers and gateways.
These amplifiers from Skyworks Solutions enable multiple-transmit channels on PCBs, offering customers valuable configuration space savings. In addition, the mid-power amplifier offers two operating points in a single-device, providing maximum customer flexibility when developing platforms that meet varying performance requirements.
The SKY65152-11 (20-pin, 6mm x 6mm) and the SKY65165-11 (16-pin, 3mm x 3mm) are microwave monolithic integrated circuit (MMIC) PAs that are suitable for WLAN applications. The high linearity, low EVM and high efficiency of these devices also make them ideal for use in the transmit chain of WLAN access points and modems.
It is a fully-matched PA, incorporating a directional power coupler for accurate power detection, mounted in a multi-chip module (MCM) package, and the SKY65165-11 is internally matched at the radio frequency (RF) input, includes integrated power detector, biasing and is mounted in a quad flat no-lead (QFN) surface-mounted technology (SMT) package, which allows for a highly manufacturable low-cost solution.
These devices are fabricated using Skyworks’ heterojunction bipolar transistor (HBT) indium gallium phosphide (InGaP) process, which allows for single supply operation while maintaining high efficiency and good linearity.
Both the SKY65152-11 and the SKY65165-11 are available now. Volume production is scheduled to commence in the fourth quarter of this year.
“Skyworks’ new and innovative WiFi power amplifiers complement our leadership portfolio of wireless semiconductors,” said Liam K. Griffin, Senior Vice President of Sales and Marketing at Skyworks. “These devices highlight Skyworks’ growing suite of WiFi solutions designed to address the expanding opportunities in high-performance gateways, access points, smart phones, media, and emerging mobile Internet access platforms.”
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