Multiple Meander Strip Monopole Antenna with Broadband Characteristic

摘要

The present invention by using a meander structure discloses a multiple-strip meander monopole antenna is easily miniaturized while having a wide band characteristic. The lower surface of the dielectric substrate, a ground conductor plate are joined and the center of the upper surface is disposed radially symmetric cross strips. Each radiating member is connected to one radiation unit multiple erection for each end of the radial cross-strip. One of the spinning member is at least one or more additional meander strips connected to the meander structure on its vertical width and a vertical strip portions are tapered. When the power supply to the center of the radial cross-strip, a current component flowing in the θ = 90 ° planes being offset with each other, that is, signals that are copied from the multi-radiation is being offset to each other in the θ = 0 ° axis, copy gain while θ is increased is increased provides a conical beam radiation pattern. It could be obtained a wide bandwidth of 2.9 GHz ~10.85 GHz, have excellent monopole radiation pattern having the same gain in all directions.