Near field communication (NFC) antenna and terminal equipment
A technology of wireless communication and terminal equipment, which is applied in the field of short-distance wireless communication antennas and terminal equipment, which can solve the problems of limiting the available space of NFC antennas and limiting the design of NFC antennas, so as to improve antenna performance, increase induced electromotive force, and enhance the intensity of induced magnetic field Effect
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[0021] The NFC antenna of this embodiment includes: a substrate, a first coil, and a second coil. The first coil is placed on the basic front side, the second coil is placed on the back of the substrate, and one end of the first coil leads to the antenna matching circuit. The other end of the feeding end is connected to one end of the second coil, and the end of the second coil that is not connected to the first coil also leads to the feeding end for connecting to the antenna matching circuit.
[0022] The substrate may be a flexible circuit board (FPC), the first coil and the second coil are placed on both sides of the FPC, the first coil and the second coil have the same winding direction, and two coils with the same winding direction are formed on both sides of the FPC.
[0023] One ends of the first coil and the second coil overlap, and are connected through copper-clad through holes at the overlapped position to form a complete NFC antenna coil loop. The other ends of the two c...
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