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A7701
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General Description
A7701 is a TX technology. It integrates PA (up to 23dBm output power), LNA (gain up to 16 dB), RF switch as well as matching network so that only a few external components are needed. A7701 consists of 3 stages PA to provide extended link budget (distance) of larger TX output power and LNA for higher RX sensitivity in a wireless system.
 Small size (QFN 3X3, 16 pins).
 Support 2400 ~ 2483.5MHz ISM band.
 Wide range operation 3V ~ 3.9V.
 TX output power up to 23dBm.
 Few external components.
 Integrate 3 stages PA.
 Integrate LNA.
 Integrate RF switch.
 Integrate matching network.
 5dB LNA noise figure.
 RX current 5.4 mA.
 TX current 220 mA @Pin = 3dBm.
 2400 ~ 2483.5MHz ISM Band System ■ Wireless Audio/Video System
 IEEE 802.15.4 and Zigbee System ■ Industry control
 Wireless metering and building automation ■ 2.4GHz Helicopter and airplane radio controller