A low supply voltage dualband low noise amplifier design

A low supply voltage dualband low noise amplifier design

A low voltage dual-band low noise amplifier (LNA) is presented in this paper. A folded cascode topology is used to reduce the supply voltage. The supply voltage is only 0.7 V. A concurrent dual-band frequency response is achieved by using a broadband input matching network with a band-reject filter....

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Bibliographische Detailangaben
Hauptverfasser: Chih-Lung Hsiao, Yi-Lun Huang
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Broadband amplifiers
Dual band
Frequency response
Gain
Impedance matching
LNA
Low voltage
Low voltage design
Low-noise amplifiers
Matched filters
Network topology
Noise figure
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Beschreibung
Zusammenfassung:A low voltage dual-band low noise amplifier (LNA) is presented in this paper. A folded cascode topology is used to reduce the supply voltage. The supply voltage is only 0.7 V. A concurrent dual-band frequency response is achieved by using a broadband input matching network with a band-reject filter. The operating frequencies are 2-2.5 GHz and 4.2-4.8 GHz. The voltage gains are 16.7 dB at 2.2 GHz and 14.8 dB at 4.6 GHz. The noise figures are 3.53 dB at 2.2 GHz and 2.52 dB at 4.6 GHz. The power consumption is only 7.76 mW.
ISSN:0747-668X
2159-1423
DOI:10.1109/ISCE.2009.5156920