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US 2006/0232355 A1Published application
Transmission line transformer
AssigneeKorea Advanced Institute of Science and Technology
InventorsChangkun Park, Younsuk Kim, Songcheol Hong
Life of this patent
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Abstract
A transmission line transformer is disclosed. The transformer improves efficiency and a dynamic range of a power amplifier. The transformer is formed to have a plurality of load impedances as the primary side of the transmission line transformer is separated to form a plurality of primary transmission lines with parasitic components which are different from each other. The transformer is used as an impedance matching circuit of the power amplifier requiring a plurality of load impedances.
Claims6
A transmission line transformer comprising:
- a secondary transmission line;
- and
- a plurality of primary transmission lines which are correspondingly aligned at both sides of the secondary transmission line, respectively, in which the primary transmission lines have parasitic components which are different from each other, respectively.
Dependencies are inferred from the claim text.