CMOS limiters with RSSIs for Bluetooth receivers

Hong-Sun Kim, Ismail, M., Olsson, H.

Circuits and Systems, 2001. MWSCAS 2001. Proceedings of the 44th IEEE 2001 Midwest Symposium（2001）

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摘要

Two different low power CMOS limiters with received signal strength indicators (RSSIs) are presented. RSSIs are implemented using piecewise linear logarithmic amplifiers. The limiters and RSSIs are designed for Bluetooth receivers at 3 MHz IF using 0.35 μm and 0.5 μm CMOS technologies. Input dynamic range of the limiters is more than 65 dB, and RSSI error is within ±3 dB which satisfies Bluetooth requirements. The limiters with RSSIs consumes 1.2 mA and 1.6 mA with 2.7 V power supply

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关键词

CMOS analogue integrated circuits,demodulators,frequency shift keying,limiters,low-power electronics,radio receivers,radiofrequency amplifiers,rectifying circuits,0.35 micron,0.5 micron,1.2 mA,2.7 V,3 MHz,Bluetooth receivers,GFSK demodulator,GFSK receivers,input dynamic range,low power CMOS limiters,low power rectifiers,piecewise linear logarithmic amplifiers,received signal strength indicator,

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