Double resonance antenna structure for several frequency ranges

摘要: The invention relates to small-sized antenna systems, especially planar structures operating on several frequency bands. structure of the comprises a radiating element with at least two lips. Thus, has basic resonance frequencies, which are defined by dimensions lips element, gaps between them, and other structure. is connected ground plane one place. connection points, used for connecting feed lines transmitter receiver, special tuning elements. frequencies may be adjusted said elements points so that operable more than switches conventional semiconductor switches, such as FET or PIN diodes. Various optionally connectable arrangements carrying out an arrangement tuned in all reception transmission bands ranges mobile phone systems.