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WLAN power amplifier is 1.5mm x 1.5mm

Posted: 19 Aug 2010 ?? ?Print Version ?Bookmark and Share

Keywords:power amplifier? WLAN? WiMax? WiBro? smartphone?

Microsemi Corp. introduces the LX5514M power amplifier (PA) designed for mobile equipment. The maker says that the model is the world's smallest WLAN PA measuring 1.5mm x 1.5 mm. It is 0.4mm thin.

The LX5514M power amplifier supports IEEE 802.11b/g/n WLAN applications in the 2.4GHz to 2.5GHz frequency range. It complements Microsemi's recently introduced LX5553 and LX5543 front-end modules (FEMs). The new PA is based on the company's prior LX5514 PA, redesigned to fit into a compact, ultra-low-profile package. Like the previous LX5514, the new LX5514M offers fully matched input, simplified output matching, an integrated power detect function which saves board space and reduces the total BOM cost. Key features of the new LX5514M power amplifier include: InGaP HBT process technology; 2.4 to 2.5GHz operation ; single-polarity 3.3V supply ; 80mA quiescent current; POUT = 19dBm 3 percent EVM; 27dB power gain, and 130mA total current.

Microsemi's portfolio of IEEE 802.11a/b/g/n WLAN, 802.16e WiMAX and WiBro PAs are adopted in a number of applications encompassing wireless access points and half mini-cards for notebooks and netbooks. Reference designs with WLAN chipset manufacturers are likewise available for many of Microsemi's power amplifiers.

Pricing and availability: The LX5514M is offered in a RoHS-compliant, dual flat no lead (DFN) package. Unit price is $0.45 for 10,000-unit orders.

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