A Fully Integrated 490-GHz CMOS Heterodyne Imager Adopting Second Subharmonic Resistive Mixer Structure

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A fully integrated 490-GHz heterodyne imager is reported. The imager adopts a second subharmonic resistive mixer wherein the transmission lines and small capacitors are used to enhance port-to-port isolation and the suppression of undesired local oscillator (LO) leakage and harmonic mixing components. The imager achieves a minimum noise equivalent power of 1.2 pW/Hz(0.5) while dissipating 26 mW from a 1.2-V supply. This work presents the highest frequency implementation among the reported fully integrated heterodyne imagers in silicon technology.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2019-10
Language
English
Article Type
Article
Citation

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.29, no.10, pp.673 - 676

ISSN
1531-1309
DOI
10.1109/LMWC.2019.2936685
URI
http://hdl.handle.net/10203/268323
Appears in Collection
EE-Journal Papers(저널논문)
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