A Novel LTCC Double Layer Single Feed Circularly Polarized Microstrip Patch Array Antenna
A technology of microstrip patch and array antenna, which is applied to antenna unit combinations, antennas, slot antennas and other directions with different polarization directions, which can solve the problem of high accuracy of chip cutting angle, increasing the complexity of antenna structure, and unfavorable antenna Miniaturization and other issues to achieve the effect of smaller 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 drawings and examples, but the embodiments of the present invention are not limited thereto.
[0029] The center frequency point of the microstrip patch array antenna provided in this embodiment is 10GHz, such as Figure 6 As shown, the present invention can realize a microstrip patch array antenna with an impedance bandwidth of 1.5 GHz and a maximum gain of more than 16.7 dB within a section thickness of 2 mm, and the axial ratio of the antenna can be less than 1.5 dB.
[0030] An LTCC double-layer single-feed circularly polarized microstrip patch array antenna provided in this embodiment includes:
[0031] Upper LTCC substrate 1: The 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 printed with silv...
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