作者: Steve Yang
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摘要: A configurable dual-band RF transceiver with a cascaded frequency conversion scheme (DBXVR) is disclosed for the processing of any selected channel signal specified by open standard IEEE 802.11 a/b/g Wireless LAN. The DBXVR comprises two switchably connected antennae receiving and transmitting subsets hardware. first subset designed to perform all related conversion, filtering amplification between b/g-band its corresponding Baseband Inphase (I) Quadrature (Q) signals. second a-band, located at disjointed much higher range than b/g-band, an ultimate, into I Q signals using essentially same hardware from subset.