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2.4-GHz single-ended input low-power low-voltage active front-end for zigbee applications in 90 nm CMOS

AuthorsFiorelli, R. ; Villegas, A.; Peralías, E. ; Vázquez, Diego ; Rueda, Adoración
Issue Date2011
PublisherInstitute of Electrical and Electronics Engineers
Citation20th European Conference on Circuit Theory and Design (ECCTD): 829-832 (2011)
AbstractA 2.4-GHz CMOS single ended-input differential-output front-end built with a common source low noise amplifier (CS-LNA) and a switched transconductor mixer (SW-MIX) is presented. The circuit is designed and optimized to work in a ZigBee receiver. Since this is a low power consumption standard, a single-ended LNA is preferred over a fully-differential topology because it leads to lower cost in area and power consumption. Also, moderate and weak inversions regions were selected for the operation of the principal transistors. The front-end prototype has been implemented in a 90 nm RF process and occupies a chip area of 0.74 mm2 including on-chip inductors. Very competitive results are observed: a maximum conversion gain (CG) of 30 dB, a DSB noise figure of 7.5 dB, a maximum IIP3 of -12.8 dBm and IIP2 of 14.4 dBm while it consumes 4.7 mW from a 1.2 V supply.
DescriptionCongreso celebrado en Linkoping (Suecia) del 29 al 31 de Agosto del 2011.
Publisher version (URL)http://dx.doi.org/10.1109/ECCTD.2011.6043831
Identifiersdoi: 10.1109/ECCTD.2011.6043831
isbn: 978-1-4577-0617-2
Appears in Collections:(IMSE-CNM) Libros y partes de libros
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