Product Features Low Current: 120mA for 11g linear power(20dBm) at 3.3V Matching on chip only 6 external components High Power: 20dBm for EVM = 3% High Efficiency: PAE > 25.5%

The AP1291 is a linear, low current power amplifier in ISM band utilizing InGaP /GaAs HBT process. It features a low current of 120mA, power gain of 28 dB, high linear power of 20dBm and PAE of 25.5% for 802.11g under 3.3V. AP1291 has input and output matching on chip, and only 6 total components are needs externally. The AP1291 is housed in a 3 x 3 (mm), 16-pin, QFN leadless package. The AP1291 is suitable to be used in 802.11b/g WLAN and other 2.4GHz applications.

Major Applications

• IEEE 802.11b/g WLAN Clients
  
• IEEE 802.11b/g WLAN Access Points
  
• 2.4GHz ISM Band Application