Mobile phone antenna with reconfigurable directional diagram
A mobile phone antenna and pattern technology, applied to the antenna, radiation element structure, electrical components, etc., to achieve the effects of high efficiency, small SAR value, and convenient processing
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[0036] Implementation example 1:
[0037] An example of the directional pattern reconfigurable mobile phone antenna involved in the present invention is as figure 1 with figure 2 Shown. The antenna consists of dielectric substrates (201, 202), bent passive vibrators (101, 107, 109, 115), horizontal straight passive vibrators (103, 105, 111, 113), and RF-PIN switches (102, 104) , 106, 110, 112, 114), dipole excitation vibrator (108, 116), vertical parasitic vibrator (203, 204), balancer (205) and coaxial feeder (206). The side view of the antenna such as figure 2 As shown, where 101 and 107 are figure 1 The right bending passive vibrator, 103 and 105 figure 1 Straight passive vibrator on the right, 102 and 104 are figure 1 On the right PF-PIN switch, 205 is a balancer, and 206 is a coaxial feeder. according to figure 1 with figure 2 The structure shown can meet the requirements of pattern reconstruction and wide frequency impedance bandwidth as long as the appropriate size is ...
Example Embodiment
[0039] Implementation example 2:
[0040] Such as image 3 with Figure 4 As shown, another implementation example of the present invention is based on implementation example 1, without the RF-PIN switch. By adjusting the bending angle of the bent passive vibrator and the distance between the passive vibrator and the active dipole vibrator, the antenna impedance bandwidth and directional pattern gain can be adjusted, so that the designed antenna can meet the required communication requirements. The antenna consists of dielectric substrates (401, 403), bent passive vibrators (301, 305, 307, 311), horizontal straight passive vibrators (303, 309), and RF-PIN switches (302, 304, 308, 310) ), dipole excitation vibrator (306, 312), vertical parasitic vibrator (404, 405), balancer (406) and coaxial feeder (407). according to figure 1 with figure 2 As long as the size of the structure shown is appropriate, it can meet the needs of pattern reconstruction in the narrowband frequency band...
Example Embodiment
[0041] Implementation example 3:
[0042] Such as Figure 5 with Image 6 As shown, another embodiment of the present invention is to design a pattern reconfigurable antenna using only a horizontal straight passive vibrator, a dipole excitation vibrator and an RF-PIN switch. The radiating element of the antenna can be designed by using the Yagi antenna theory and the pattern reconfigurable antenna theory. The antenna consists of dielectric substrates (601, 602), bent passive vibrators (501, 507, 509, 515), horizontal straight passive vibrators (503, 505, 511, 513), and RF-PIN switches (502, 504) , 506, 510, 512, 514), dipole excitation vibrator (508, 516), balancer (603) and coaxial feeder (604). according to Figure 4 The structure shown can meet the needs of pattern reconstruction in the narrowband frequency band as long as the appropriate size is selected.
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