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A 1.9-GHz down-conversion CMOS mixer, intended for the GSM1900 (PCS1900) low-IF receivers is present with the utilization of novel folded Gilbert cell fabricated in an RF 0.18-mum CMOS process. The prototype demonstrates a good performance. It achieves a conversion gain of 6dB, SSB noise figure of 18.5dB and IIP3 11.5dBm while consuming 7mA current from 3.3V power supply
A 0.18 /spl mu/m CMOS IEEE 802.11b SoC integrated all the radio building blocks including the PA, the PLL loop filter, and the antenna switch, as well as the complete physical layer and the MAC sections. At 2.4 GHz, it dissipates 165 mW in the receive-mode and 360 mW in the transmit-mode from a 1.8 V supply. The receiver achieves a typical NF of 6 dB, and -88 dBm sensitivity at 11 Mbit/s rate. The...
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