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Baseband stage for WCDMA direct conversion receiver with high dynamic range and accurate temperature compensation SCIE SCOPUS

Title
Baseband stage for WCDMA direct conversion receiver with high dynamic range and accurate temperature compensation
Authors
Ryu, SJin, SLee, SKim, HLee, JKim, B
Date Issued
2005-03-31
Publisher
IEE-INST ELEC ENG
Abstract
A highly integrated baseband stage, which adopts a new configuration for the wideband code-division multiple access (WCDMA) direct conversion receiver (DCR), is described. The baseband stage satisfies all requirements of the WCDMA DCR and consists of opamp-RC channel select filters and variable gain amplifiers with linear-in-dB gain control. It achieves a high dynamic range of 85 dB with +/- 1.5 dB accuracy over a temperature variation from -25 to 85 degrees C, 16.5 nV/root Hz input-referred noise, +20 dBV out-of-band IIP3 and +70 dBV out of band IIP2. The baseband stage is fabricated using a 0.35 mu m SiGe BiCMOS process and consumes a total current of 11 mA/CH from a 2.7 V supply.
Keywords
VARIABLE-GAIN AMPLIFIER
URI
https://oasis.postech.ac.kr/handle/2014.oak/24623
DOI
10.1049/el:20057617
ISSN
0013-5194
Article Type
Article
Citation
ELECTRONICS LETTERS, vol. 41, no. 7, page. 381 - 382, 2005-03-31
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김범만KIM, BUM MAN
Dept of Electrical Enginrg
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