LTCC double-layer single-feed circularly polarized microstrip patch array antenna unit
A microstrip patch, array antenna technology, applied in the direction of antenna, antenna array, antenna grounding device, etc., can solve the problem of low profile gain, and achieve the effect of good circular polarization performance, small size and easy processing
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[0023] The present invention will be further described in detail below with reference to the drawings and examples, but the embodiments of the present invention are not limited thereto.
[0024] This embodiment provides a LTCC double-layer single-feed circularly polarized microstrip patch array antenna unit, its structure is as follows figure 1 shown, including:
[0025] Upper LTCC substrate 1, such as figure 2 Shown: The substrate is laminated with 11 LTCC cast film sheets with a thickness of 0.1mm and a dielectric constant of 5.9. The lateral dimension of the substrate is 15mm and the vertical dimension is 15mm; Radiating metal patch, the radiating metal patch is located in the center of the upper substrate, with a side length of 4.6mm; the diagonal of the radiating metal patch is cut to achieve circular polarization, and the cut corner is an isosceles right angle with a side length of 0.61mm Triangular, with a rectangular slit with a length of 0.9mm and a width of 0.1mm ...
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