A 0.8V folded-cascode low noise amplifier for multi-band applications

Ruey-Lue,; Chen, Shih‐Chih; Huang, Cheng-Lin; Gao, Chang-Xing; Lin, Yi-Shu

doi:10.1109/apccas.2008.4746288

Cited by 1 publication

(2 citation statements)

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“…In order to meet the stringent requirements for low power operation, various circuit topologies have been studied [5][6][7][8]. Current-reused technique is widely used to achieve low power in [5], which is attractive compared to other topologies as it features sharing current that led to reduce the power consumption.…”

Section: Introductionmentioning

confidence: 99%

“…However, relatively large supply voltage is required due to the stacking architecture of multi transistors, and the performance degrades significantly as the supply voltage decrease. In order to alleviate the limitations imposed on the supply voltage, a folded cascade topology is adopted for the low-voltage operation [6], owing to single-deck transistors, the operating voltage of folded cascade LNA can be reduced by one transistor overdrive voltage. Nevertheless, it is hampered by the inherently low gain, especially for application where the current consumption is limited.…”

Section: Introductionmentioning

confidence: 99%

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A 0.6-V 5.2 GHz Folded Cascode LNA with Transformer-feedback Technique for Ultra Low Power Applications

Wang

Guo

et al. 2013

Frequenz

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This paper presents a 5.2 GHz ultra low power folded cascade low-noise amplifier at low-voltage operation. By utilizing a forward body bias and folded cascade technique, the proposed LNA can operate at a reduced supply voltage and power consumption. In addition, reactive (transformer) feed-back is adopted to further enhance the LNA gain. The proposed LNA delivers a remarkable gain of 15.3 dB with a noise figure of 0.8 dB, while consuming only 0.8 mW dc power from a 0.6-V supply voltage at 5.2 GHz, the simulated Pin-1dB and IIP3 are -22 and -10.34 dBm, respectively. The results indicate that this LNA is full suitable for the ultra low power application.

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