Circuit
The disclosure relates to a circuit comprising a balun portion, a balanced side impedance transforming element and an unbalanced side impedance transforming element. The balun portion at least partly transforms the signal between a balanced signal input/output terminal and an unbalanced signal input...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The disclosure relates to a circuit comprising a balun portion, a balanced side impedance transforming element and an unbalanced side impedance transforming element. The balun portion at least partly transforms the signal between a balanced signal input/output terminal and an unbalanced signal input/output terminal. The impedance transforming elements at least partly alter the impedance presented at the balanced and unbalanced side of the balun. In addition at least one matching transmission element is provided. By separating the role of impedance transformation from balun signal conversion, the useful bandwidth of the circuit can be improved in comparison to a balun that provides both signal conversion and impedance transformation functions. |
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