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HWS419 Datasheet(PDF) 4 Page - Hexawave, Inc |
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HWS419 Datasheet(HTML) 4 Page - Hexawave, Inc |
4 / 4 page HWS419 ! ! July 2004 V1 Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw All specifications are subject to change without notice. Application Information (Continued) Simplified Application Block Diagram Between HWS419 and WLAN 802.11 a/b/g RFIC Note: 1. VC1 and VC3 are used for antenna selection, while VC2 and VC4 are used for band selection. 2. LB_RX stands for low-band(2.5GHz band) receiving port and HB_TX stands for high-band(5.85GHz band) transmitting port. 3. RF paths between switch and RFIC may include amplifiers, filters, and baluns. Logic Table for Switch On-Path VC1 (AntennaSelect) VC3 (AntennaSelectInv) VC2 (BandSelect) VC4 (BandSelectInv) ANT1 ANT2 0 1 1 0 RF1(HB_RX) RF4(HB_TX) 1 0 1 0 RF4(HB_TX) RF1(HB_RX) 0 1 0 1 RF2(LB_RX) RF3(LB_TX) 1 0 0 1 RF3(LB_TX) RF2(LB_RX) ANT2 LB_RX HWS419 DP4T Switch ANT1 HB_RX LB_TX HB_TX VC1 VC3 VC4 VC2 RF1 RF3 RF4 WLAN 802.11a/b/g RFIC Antenna Select Band Select RF2 Antenna SelectInv Band SelectInv |
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