00000cab a22000003a 4500 UP-99796217609277460 Buklod 20231007234123.0 m |o d | ta 100506s xx d | ||r ||||| || DENGII eng Margarit, M.A. A 5-GHz BiCMOS RFIC front-end for IEEE 802.11a HiperLAN wireless LAN. pp. 1284-1287 An RFIC for the IEEE 802.11a/HiperLAN WLAN standard has been designed and fabricated in a 0.5-μm SiGe BiCMOS technology. The IC, which is part of a superheterodyne radio, comprises an RF synthesizer and up/down converters from the 5.18-5.8-GHz UNII band to an 880-MHz IF. In high gain, the receiver exhibits a 5.7-dB noise figure and an input referred third-order intercept (IIP3) of -11 dBm with 31 dB of conversion gain. The receiver has a 20-dB gain step resulting in a low gain state of 11 dB with an 18-dB noise figure and an IIP3 of +6 dBm. The transmitter operating at 2.7 V has an output referred third-order intercept of +23 dBm and an output -1-dB compression of +13 dBm with 20 dB of conversion gain. An integrated 0.5-μm pMOS VCO exhibits a phase noise of -119 dBc/Hz at 1-MHz offset. An integer-N synthesizer with trimodulus prescaler has an integrated phase noise from 2 kHz to 1 MHz of -33 dBc. An air link was established between two RFICs and orthogonal frequency division multiplexing (OFDM) modulation was transmitted and received operating in 64 QAM mode at 54 Mb/s. With the link established, the measured received error vector magnitude was -28 dB, meeting the 802.11a standard. 0.5 micron. 11 dB. 18 dB. 2.7 V. 20 dB. 31 dB. 5 GHz. 5.7 dB. 54 Mbit/s. 64 QAM mode. IEEE 802.11a/HiperLAN wireless LAN. OFDM modulation. RF receiver. RF synthesizer. RF transmitter. RFIC front-end. SiGe. SiGe BiCMOS IC. Air link. Conversion gain. Error vector magnitude. Input referred third-order intercept. Integer-N synthesizer. Noise figure. pMOS VCO. Phase noise. Superheterodyne radio. Trimodulus prescaler. Up/down converter. IEEE Journal of solid state circuits 38, 7 (2003). FO UPD DENG-II Article