Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2009-02-24
2011-11-22
Nguyen, Long (Department: 2816)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S323000, C455S333000, C327S355000
Reexamination Certificate
active
08064870
ABSTRACT:
A miniaturized dual-balanced mixer circuit based on a trifilar layout architecture is proposed, which is designed for use to provide a frequency mixing function for millimeter wave (MMW) signals, and which features a downsized circuit layout architecture that allows IC implementation to be more miniaturized than the conventional star-type dual-balanced mixer (DBM). The proposed miniaturized dual-balanced mixer circuit is distinguished from the conventional star-type DBM particularly in the use of a trifilar layout architecture for the layout of two balun circuit units. This feature allows the required layout area to be only about 20% of that of the conventional star-type DBM.
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Che-Chung Kuo et al.; “Novel Miniature and Broadband Millimeter-Wave Monolithic Star Mixers”; IEEE Transactions on Microwave Theory and Techniques; Vo. 56, No. 4, Apr. 2008; pp. 793-802.
Che-Chung Kuo et al.; “Novel Miniature and Broadband Millimeter-Wave Monolithic Star Mixers”; IEEE Transactions on Microwave Theory and Techniques; vol. 56, No. 4, Apr. 2008; pp. 793-802.
Kuo Che-Chung
Wang Huei
Corless Peter F.
Edwards Wildman Palmer LLP
Jensen Steven M.
National Taiwan University
Nguyen Long
LandOfFree
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