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0.18‐μm CMOS wideband passive mixer
Author(s) -
Song Chenyan,
BoricLubecke Olga,
Lo Ivy
Publication year - 2013
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.27226
Subject(s) - balun , wideband , cmos , electrical engineering , impedance matching , microwave , dbm , monolithic microwave integrated circuit , frequency mixer , materials science , optoelectronics , electrical impedance , electronic engineering , radio frequency , engineering , telecommunications , amplifier , antenna (radio)
A 0.18‐μm CMOS wideband passive mixer fully integrated with baluns in IBM7HP process is reported. The mixer exhibits wideband operation, despite the intrinsic narrow‐band magnitude balance of passive baluns. Very low DC offset, of less than 3 mV, is achieved without any DC cancellation circuits, due to high LO–RF isolation. At the RF frequency of 2.4 GHz, the combined IF differential outputs provide conversion loss (CL) of 7.5 dB, input 1 dB compression point (IP1dB) of 6.2 dBm, and input third‐order intercept point (IIP3) of 15.5 dBm. This mixer exhibits broad‐band RF impedance matching with reflection coefficient magnitude better than −9.6 dB through the RF frequency range from 1 to 12 GHz. The CL of 10.1–12.9 dB, IP1dB of 8.6–14.4 dBm, and IIP3 of 16–22.2 dBm are achieved at this frequency range for broad‐band applications. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:23–27, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27226

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