A Complete Dual-band Chip-set with USB 2.0 Interface for IEEE 802.11 a/b/g WLAN applications
2005
A dual-band (2.5 GHz and 5.5 GHz) wireless-LAN chip-set, consists of a RF IC and a BBP/MAC IC with integrated USB 2.0 interface, is presented. Together with external power amplifiers, this chip-set provides the complete solution and meets the IEEE 802.11a/b/g standard specifications. Without using external SAW filters, the system achieves receive sensitivity (54Mbps) of -70 dBm at antenna port, and transmit OFDM error-vector-magnitude better than -28 dB. The active die area of the RF IC and the BBP/MAC IC is 5.4 mm 2 and 17 mm 2 respectively. The complete solution uses few external components and occupies active board area of less than 1100 mm 2
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