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BCM43907KWBGT 参数 Datasheet PDF下载

BCM43907KWBGT图片预览
型号: BCM43907KWBGT
PDF下载: 下载PDF文件 查看货源
内容描述: [WICED™ IEEE 802.11 a/b/g/n SoC with an Embedded Applications Processor]
分类和应用:
文件页数/大小: 128 页 / 2500 K
品牌: CYPRESS [ CYPRESS ]
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BCM43907 Preliminary Data Sheet  
IEEE 802.11a/b/g/n PHY  
IEEE 802.11a/b/g/n PHY  
The BCM43907 WLAN digital PHY complies with IEEE 802.11a/b/g/n single-stream specifications to provide  
wireless LAN connectivity supporting data rates from 1 Mbps to 433.3 Mbps for low-power, high-performance,  
handheld applications.  
The PHY has been designed to work in the presence of interference, radio nonlinearity, and various other  
impairments. It incorporates optimized implementations of filters, FFTs, and Viterbi-decoder algorithms. Efficient  
algorithms have been designed to achieve maximum throughput and reliability, including algorithms for carrier  
sensing and rejection, frequency/phase/timing acquisition and tracking, and channel estimation and tracking.  
The PHY receiver also contains a robust IEEE 802.11b demodulator. The PHY carrier-sensing algorithm  
provides high throughput for IEEE 802.11b/g hybrid networks with Bluetooth coexistence.  
The key PHY features include:  
Programmable data rates from MCS0–7 in 20 MHz and 40 MHz channels.  
Support for Optional Short GI and Green Field modes in TX and RX.  
TX and RX LDPC for improved range and power efficiency.  
All scrambling, encoding, forward error correction, and modulation in the transmit direction and inverse  
operations in the receive direction.  
Support for IEEE 802.11h/k for worldwide operation.  
Advanced algorithms for low power consumption and enhanced sensitivity, range, and reliability.  
Algorithms to improve performance in the presence of externally received Bluetooth signals.  
An automatic gain control scheme for blocking and nonblocking cellular applications.  
Closed loop transmit power control.  
Digital RF chip calibration algorithms to handle CMOS RF chip process, voltage, and temperature (PVT)  
variations.  
On-the-fly channel frequency and transmit power selection.  
Per-packet RX antenna diversity.  
Available per-packet channel quality and signal-strength measurements.  
Compliance with FCC and other worldwide regulatory requirements.  
Broadcom®  
March 12, 2016 • 43907-DS104-R  
Page 49  
BROADCOM CONFIDENTIAL  
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