Dual antenna and radio device provided therewith
A radio device comprises a receiving circuit and/or a transmitting circuit, and an antenna assembly including a receiving antenna coupled to the receiving circuit and/or a transmitting antenna coupled to the transmitting circuit. The antenna assembly comprises at least one additional antenna part, w...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A radio device comprises a receiving circuit and/or a transmitting circuit, and an antenna assembly including a receiving antenna coupled to the receiving circuit and/or a transmitting antenna coupled to the transmitting circuit. The antenna assembly comprises at least one additional antenna part, which additional antenna part is electromagnetically coupled to the receiving antenna and/or the transmitting antenna respectively. By means of inserting the additional antenna part between windings of the receiving and/or transmitting antenna, independent antenna impedances adjustment is feasible, which broadens the design flexibility of designers of transmitters and receivers, and makes duplexors, as well as impedance matching circuits superfluous. |
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