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A 2.4-GHz fully integrated CMOS receiver front-end using current-reused folded-cascode circuit scheme is presented. A configuration utilizing vertically stacked low-noise amplifier (LNA) and a folded-cascode mixer is proposed to improve both conversion gain and noise figure suitable for sub-mW receiver circuits. The proposed front-end achieves a conversion gain of 31.5dB and a noise figure of 11.8dB at 10MHz with 500-μA bias current from a 1.0-V power supply. The conversion gain and noise figure improvements of the proposed front-end over a conventional merged LNA and single-balanced mixer are 11dB and 7.2dB at 10MHz, respectively, with the same power consumption of 500μW.
Published in:
Microwave and Wireless Components Letters, IEEE
(Volume:16
,
Issue:
4
)
Date of Publication: April 2006
- Page(s):
- 206 - 208
- ISSN :
- 1531-1309
- INSPEC Accession Number:
- 8974506
- Digital Object Identifier :
- 10.1109/LMWC.2006.872117
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 03 April 2006
- Issue Date :
- April 2006
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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