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BCM4330FKUBG 参数 Datasheet PDF下载

BCM4330FKUBG图片预览
型号: BCM4330FKUBG
PDF下载: 下载PDF文件 查看货源
内容描述: [Telecom Circuit, 1-Func, PBGA133, WLBGA-133]
分类和应用:
文件页数/大小: 168 页 / 1861 K
品牌: CYPRESS [ CYPRESS ]
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BCM4330 Preliminary Data Sheet  
WLAN PHY Description  
WLAN PHY Description  
The BCM4330 WLAN Digital PHY is designed to comply with IEEE 802.11a/b/g/n single stream to provide  
wireless LAN connectivity supporting data rates from 1 Mbps to 72.2 Mbps for low power, high performance  
handheld applications.  
The PHY has been designed to work with interference, radio nonlinearity, and impairments. It incorporates  
efficient implementations of the filters, FFT and Viterbi decoder algorithms. Efficient algorithms have been  
designed to achieve maximum throughput and reliability, including algorithms for carrier sense/rejection,  
frequency/phase/timing acquisition and tracking, channel estimation and tracking. The PHY receiver also  
contains a robust 11b demodulator. The PHY carrier sense has been tuned to provide high-throughput for  
802.11g/11b hybrid networks with Bluetooth coexistence. It has also been designed for shared single antenna  
systems between WL and BT to support simultaneous Rx-Rx.  
PHY Features  
• Supports IEEE 802.11a, 11b, 11g, 11n single stream PHY standards  
• 802.11n single-stream operation in 20 MHz channels  
• Supports Optional Short GI and Green Field modes in Tx and Rx  
• Supports optional space-time block code (STBC) receive of two space-time streams  
• Supports 802.11h/k for worldwide operation  
• Advanced algorithms for low power, enhanced sensitivity, range, and reliability  
• Algorithms to improve performance in presence of Bluetooth  
• Simultaneous Rx-Rx (WL-BT) architecture  
• Automatic gain control scheme for blocking and non blocking application scenario for cellular applications.  
• Closed loop transmit power control  
• Digital RF chip calibration algorithms to handle CMOS RF chip non-idealities  
• On-the-fly channel frequency and transmit power selection  
• Supports per packet Rx antenna diversity  
• Designed to meet FCC and other worldwide regulatory requirements  
®
BROADCOM  
BCM4330 Preliminary Data Sheet  
April 28, 2011 • 4330-DS304-RI  
Page 90  
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