Capacitive loaded frequency conversion planar directional dual frequency antenna
A capacitive loading, dual-frequency antenna technology, applied to antennas, devices that enable antennas to work in different bands at the same time, circuits, etc., can solve the problems of inflexible applications and complex structures, and achieve frequency conversion work, simple control, and simple structure Effect
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[0018] The present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0019] In the figure, 1-dielectric plate, 2-DSPSL dipole, 3-chip capacitor, 4-PIN diode, 5-feed connector, 6-slot structure, 7-rectangular metal radiator, 8-reflecting patch.
[0020] A capacitively loaded frequency-changing planar directional dual-frequency antenna, as attached figure 1 As shown, the antenna is a planar structure, including a dielectric plate 1, a DSPSL dipole 2, a patch capacitor 3, a PIN diode 4, a feed connector 5, a rectangular metal radiator 7 and a reflective patch 8; the rectangular metal radiator 7 There is a slit structure 6 on the top, the DSPSL dipole 2 and the rectangular metal radiator 7 are symmetrically printed on the upper and lower sides of the dielectric board 1, and the chip capacitor 3, the PIN diode 4, and the reflective patch 8 are printed on the upper surface ...
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