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Power amplifier for WLAN brings high gain

Posted: 01 Jul 2008 ?? ?Print Version ?Bookmark and Share

Keywords:amplifier? WLAN applications? power? MIMO?

Tyco Electronics Corp. M/A-COM has launched a RoHS-compliant 2.4GHz to 2.5GHz linear power amplifier for 802.11b/g MIMO WLAN applications that require high gain, high efficiency and small size. The MAAP-008516 is a three-stage power amplifier designed specifically for linear 802.11b/g applications and is available in a Pb-free 2mm x 2.5mm power QFN plastic package.

The power amplifier can achieve 16.5dBm linear output power with a 3 percent EVM, maximizing system performance while maintaining low DC power consumption. The power amplifier also features an integrated power detector for accurate power control and a separate power mode pin for current savings in a power shutdown mode state.

For 802.11g applications, the MAAP-008516 generates 16.5dBm of linear output power (OFDM, QAM-64, 54Mbps) while drawing only 80mA of current and maintaining an EVM of 3.0 percent. For 802.11b applications, the power amplifier generates 21.5dBm of linear output power while consuming only 95mA of current. It offers a typical linear gain of 30dB at an operating voltage of 3.3V.

- Gina Roos

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