Miniaturized high-gain double-frequency WIFI antenna
A high-gain, antenna technology, applied in antennas, antenna arrays, resonant antennas, etc., can solve the problems of low gain and large size of WIFI antennas, achieve miniaturization design, overcome large size, small gain and small omnidirectionality
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[0034] Example 1
[0035] Reference attached figure 1 , Attached figure 2 , Attached image 3 , Attached Figure 4 , Attached Figure 5 And Image 6
[0036] A miniaturized high-gain dual-band WIFI antenna, including a dielectric plate 1, a microstrip feed network 2, a pad 3, two symmetrical dipole radiating elements 4, an asymmetrical dipole radiating element 5 and "u" Shaped branch 6, said pad 3 is composed of three identical rectangular pads 3.1 and a ring pad 3.2;
[0037] The microstrip feed network 2 includes an upper stepped microstrip line 2.1 and a lower stepped microstrip line 2.2 printed on the dielectric plate 1; the two symmetric dipole units 4 are respectively located at two ends of the dielectric plate 1; Each symmetrical dipole unit 4 includes two dipole arms 4.1 printed on the upper and lower layers of the dielectric plate 1 with the same structure. The dipole arm 4.1 consists of a first low-frequency branch 4.1.1 and a first high-frequency branch 4.1. .2 composit...
Example Embodiment
[0048] Example 2
[0049] The structure of this embodiment is the same as that of embodiment 1, and only the following parameters are adjusted:
[0050] The length and width of the media plate 1 are respectively L11 and L12, where L11=166-170mm, L12=9-13mm, L11=166mm, L12=9mm.
[0051] The distances between the upper dipole arm 4.1 of the two symmetric dipole units 4 and the upper dipole arm 5.1 of the asymmetric dipole unit 5 are L21 and L22, respectively, where L21=63~67mm , L22=52~56mm, L21=63mm, L22=52mm.
[0052] The lengths of the first low-frequency stub 4.1.1 and the first high-frequency stub 4.1.2 are L41 and L42, respectively, where L41=17.3~19.3mm, L42=12-14mm, L41=17.3mm, L42=12mm ; The width of the first low-frequency branch 4.1.1 is L43, where L43=4.3~6.3mm, L43=4.3mm.
[0053] The lengths of the second low-frequency stub 5.1.1 and the second high-frequency stub 5.1.2 are respectively L51 and L52, where L51=21.3-23.3mm, L52=12-14mm, L51=21.3mm, L52=12mm; The lengths of ...
Example Embodiment
[0056] Example 3
[0057] The length and width of the medium plate 1 are respectively L11 and L12, where L11=166-170mm, L12=9-13mm, L11=170mm, L12=13mm.
[0058] The distances between the upper dipole arm 4.1 of the two symmetric dipole units 4 and the upper dipole arm 5.1 of the asymmetric dipole unit 5 are L21 and L22, respectively, where L21=63~67mm , L22=52~56mm, L21=67mm, L22=56mm.
[0059] The lengths of the first low-frequency branch 4.1.1 and the first high-frequency branch 4.1.2 are respectively L41 and L42, where L41=17.3~19.3mm, L42=12-14mm, L41=19.3mm, L42=14mm ; The width of the first low-frequency branch 4.1.1 is L43, where L43=4.3~6.3mm, L43=6.3mm.
[0060] The lengths of the second low-frequency stub 5.1.1 and the second high-frequency stub 5.1.2 are L51 and L52, respectively, where L51=21.3-23.3mm, L52=12-14mm, L51=23.3mm, L52=14mm; The lengths of the third low-frequency branch 5.2.1 and the third high-frequency branch 5.2.2 are L53 and L54, respectively, where L53=...
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