A uwb MIMO antenna with controllable notch bandwidth
An antenna and notch technology, applied in the field of UWBMIMO antennas, can solve the problems of poor frequency selection characteristics and the inability to independently controllable adjustment of the frequencies on the left and right sides of the notch frequency band. Mode clear effect
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[0028] In this embodiment, the outer side refers to the side away from the midline of the dielectric substrate, and the inner side refers to the side close to the midline of the dielectric substrate.
[0029] Such as figure 1 As shown, a UWB MIMO antenna with controllable notch bandwidth includes a dielectric substrate, two rectangular radiation units 1 and 2 are printed on the front of the dielectric substrate, and are symmetrical about the center of the dielectric substrate, and a floor is printed on the back of the dielectric substrate 9. It also includes two feeder lines 3 and 4 at the input end. The feeder lines at the input end are connected to the rectangular radiating units in a one-to-one correspondence. The parasitic strips 5 and 6 are set outside each feeder line at the input end. The total length is 18 mm, equivalent to half The mode resonance of the wavelength is around WLAN 5.2GHz.
[0030] Inverted L-shaped branches 7 and 8 extend from the outside of the rectan...
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