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An Integrated Low-Power CMOS Up-Conversion Mixer Using New Stacked Marchand Baluns

Ivan Chee Hong LAI, Minoru FUJISHIMA

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Summary :

A fully integrated broadband up-conversion mixer with low power consumption is demonstrated on 90 nm CMOS technology in this paper. This mixer has a single-ended input and a multi-layer stacked Marchand balun is used for converting the differential output of the single-balanced mixer topology to a single-ended output. This balun employs inductive coupling between two metal layers and includes slotted shields to reduce substrate losses. The circuit size is 650 µm570 µm. At 22.1 GHz, the integrated mixer achieves a conversion gain of 2 dB with a maximum power dissipation of only 11.1 mW from a 1.2 V dc power supply at LO power of 5 dBm. Input referred 1-dB compression point is -14.8 dBm. The LO and RF return loss are better than 10 dB for frequencies between 20-26 GHz.

Publication
IEICE TRANSACTIONS on Electronics Vol.E90-C No.4 pp.823-828
Publication Date
2007/04/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e90-c.4.823
Type of Manuscript
Special Section PAPER (Special Section on Low-Power, High-Speed LSIs and Related Technologies)
Category
Analog and Communications

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