A 12 mW, 7.5 GHz Bandwidth, Inductor-less CMOS LNA for Low-Power, Low-Cost, Multi-Standard Receivers

A 12 mW, 7.5 GHz Bandwidth, Inductor-less CMOS LNA for Low-Power, Low-Cost, Multi-Standard Receivers

A resistive feedback LNA is presented based on a current-reuse transconductance-boosting technique that reduces the power consumption to 12 mW. It has a gain of 21 dB and a noise figure of 2.6 dB at 5 GHz. The LNA achieves an output-IP3 of 12.3 dBm at 5 GHz by reducing loop-gain roll-off and by impr...

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Hauptverfasser: Perumana, B.G., Zhan, J.-H.C., Taylor, S.S., Laskar, J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bandwidth
Circuits
CMOS low noise amplifier
Costs
Energy consumption
Feedback
feedback amplifiers
Gain
Inductors
Low-noise amplifiers
Noise figure
Radiofrequency amplifiers
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Beschreibung
Zusammenfassung:A resistive feedback LNA is presented based on a current-reuse transconductance-boosting technique that reduces the power consumption to 12 mW. It has a gain of 21 dB and a noise figure of 2.6 dB at 5 GHz. The LNA achieves an output-IP3 of 12.3 dBm at 5 GHz by reducing loop-gain roll-off and by improving linearity of individual stages. The active die area of 0.012 mm is the lowest reported for an LNA.
ISSN:1529-2517
2375-0995
DOI:10.1109/RFIC.2007.380832