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A Dual-Antenna Phased-Array UWB Transceiver in 0.18- \mu{\hbox {m}} CMOS

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11 Author(s)
Steve Lo ; Tzero Technol., Sunnyvale, CA ; Isaac Sever ; Ssu-Pin Ma ; Peter Jang
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A dual-antenna ultra-wideband (UWB) transceiver in 0.18-mum CMOS for mode-1 OFDM applications employs the techniques of antenna diversity and integrated RF selectivity to improve robustness to interferers. Optimal selectivity in receiver and band flatness in transmitter are achieved by on-chip calibration of each band. The packaged device achieves an overall noise figure of 4.7 dB, an IIP3 of -0.8 dBm, a TX P1 dB of 3.1 dBm, and an error vector magnitude (EVM) of -27.2 dB for 480 Mb/s. The transmit output spectrum is fully compliant with FCC mask for UWB without any external bandpass filter

Published in:

IEEE Journal of Solid-State Circuits  (Volume:41 ,  Issue: 12 )