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AR9271 - Single-Chip 1x1 MAC/BB/Radio/PA/LNA

General Description

The Atheros AR9271 is a highly integrated singlechip solution for 2.4 GHz 802.11n-ready wireless local area networks (WLANs) that enables a highperformance 1x1 configuration for wireless station applications demanding robust link quality and maximum throughput and range.

Key Features

  • include signal detection, automatic gain control, frequency offset estimation, symbol timing, and channel estimation. The AR9271 MAC supports the 802.11 wireless MAC protocol, 802.11i security, receive and transmit filtering, error recovery, and quality of service (QoS). The AR9271 supports one transmit traffic stream and one receive traffic stream using one integrated Tx chain and one receive chain for high throughput and range performance. The Tx chain combines baseband in-phase (I) and quadra.

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Datasheet Details

Part number AR9271
Manufacturer Atheros
File Size 2.00 MB
Description Single-Chip 1x1 MAC/BB/Radio/PA/LNA
Datasheet download datasheet AR9271 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet November 2011 AR9271 Single-Chip 1x1 MAC/BB/Radio/PA/LNA with USB Interface for 802.11n 2.4 GHz WLANs General Description The Atheros AR9271 is a highly integrated singlechip solution for 2.4 GHz 802.11n-ready wireless local area networks (WLANs) that enables a highperformance 1x1 configuration for wireless station applications demanding robust link quality and maximum throughput and range. The AR9271 integrates a multi-protocol MAC, baseband processor, analog-to-digital and digital-to-analog (ADC/DAC) converters, 1x1 radio transceiver, RF switch, and USB interface in an all-CMOS device for low power and small form factor applications. The AR9271 implements half-duplex OFDM, CCK, and DSSS baseband processing, supporting 72.