Wave transmission lines and networks – Coupling networks – Balanced to unbalanced circuits
Reexamination Certificate
2011-03-08
2011-03-08
Takaoka, Dean O (Department: 2817)
Wave transmission lines and networks
Coupling networks
Balanced to unbalanced circuits
C333S238000
Reexamination Certificate
active
07902939
ABSTRACT:
According to one embodiment, a balun includes one or more transformers configured to block DC power between a line and a device at microwave frequencies. The one or more transformers block DC power between the line and the device by electromagnetically coupling the device to the line.
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Melais, S. E. et al. “A Low-Profile Broadband Strip-Line Balun.” 2005 IEEE Antennas and Propagation Society International Symposium, vol. 3B, Jul. 3-8, 2005, pp. 369-372. Also available at: http://ee.eng.usf.edu/WAMI/resources/ads-software/ads-2/APS05—Melais.pdf.
Coats & Bennett P.L.L.C.
Infineon - Technologies AG
Takaoka Dean O
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