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Microchip delivers 5GHz power amplifier module for Wi-Fi

Posted: 19 Mar 2015     Print Version  Bookmark and Share

Keywords:Power amplifier module  Wi-Fi  Microchip 

Microchip Technology unveiled the SST11CP22 5GHz power amplifier module (PAM) for the IEEE 802.11ac Wi-Fi standard. The PAM can deliver 19dBm linear output power at 1.8 per cent dynamic EVM (Error Vector Magnitude) with MCS9 80MHz bandwidth modulation as well as 20dBm linear power at 3 per cent EVM for 802.11a/n applications. The SST11CP22 is also spectrum mask compliant up to 24dBm for 802.11a and has less than—45dBm/MHz RF harmonic output.

Achieving maximum data rate and longest range while minimising current consumption is essential to Wi-Fi MIMO access-point, router and set-top-box systems designers. The SST11CP22's low EVM and high linear power facilitate MIMO operation and significantly extend the range of 802.11ac systems in ultra-high data rate transmission mode. The module, housed in a space-saving 4mm x 4mm, 20-pin QFN (quad flat no-leads) package, includes an output harmonic rejection filter and is 50Ω-matched—requiring only four external components.

It is easy to use and reduces board size. Additionally, the integrated linear power detector provides accurate output power control over temperature and two-to-one output mismatch. These features are critical for 802.11ac Wi-Fi set-top boxes, routers, access points and wireless video streaming devices that operate at high data rates.

"Microchip's RF power amplifiers have a strong position in the WLAN market due to their reliability combined with high-power efficiencies that can only be achieved using InGaP/GaAs HBT," said Daniel Chow, vice president of Microchip's Radio Frequency Division. "The release of the SST11CP22 now provides the same reliable operation with extra low EVM, ease of use, and low harmonic emission. This new PAM will extend the range and reduce the production costs of ultra-high data rate 802.11ac systems."

Developers can begin designing today with the SST11CP22 Evaluation Board (Part # SST11CP22-GN-K), which is available now, via any Microchip sales representative.

The SST11CP22 RF Power Amplifier Module is available for $0.92 each in 10,000-unit quantities. Sampling and volume production are both available now.

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