Novel LTCC double-layer single-feed circular polarization micro-strip patch array antenna
A microstrip patch and array antenna technology, which is applied to antenna unit combinations, antennas, slot antennas and other directions with different polarization directions, can solve the problem of high requirements on the dimensional accuracy of the patch cut angle, increasing the complexity of the antenna structure, and disadvantageous antennas. Miniaturization and other issues, to achieve the effect of more size, simple structure and easy processing
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[0028] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments, but the implementation of the present invention is not limited thereto.
[0029] The center frequency of the microstrip patch array antenna provided in this embodiment is 10 GHz, such as Image 6 As shown, the present invention can achieve a microstrip patch array antenna with an impedance bandwidth of 1.5 GHz and a maximum gain exceeding 16.7 dB within a cross-sectional thickness of 2 mm, and the axial ratio of the antenna can be less than 1.5 dB.
[0030] The LTCC double-layer single-fed circularly polarized microstrip patch array antenna provided in this embodiment includes:
[0031] Upper LTCC substrate 1: This substrate is laminated with 10 LTCC cast films with a thickness of 0.1mm and a dielectric constant of 5.9. The lateral dimension of the substrate is 74.2mm and the longitudinal dimension is 76.3mm. The upper surface of the substrate is made o...
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