Decoupling circuit and antenna apparatus
2012
The invention discloses a decoupling circuit and an antenna apparatus. The decoupling circuit is used for enhancing the isolation between two single-pole antennas; the two single-pole antennas protrude outside one base in a substantially symmetrical mode; and a gap is formed between the two single-pole antennas. The decoupling circuit comprises a grounding portion, a connection column substantially vertical to the base, a first branch and a second branch, wherein the grounding portion is disposed on the base and is electrically connected with a ground end; the connection column comprises a first end electrically connected with the grounding portion and a second end extending to the gap; the first branch extends from the second end of the connection column to a first single-pole antenna of the two single-pole antennas; and the second branch extends from the second end of the connection column to a second single-pole antenna of the two single-pole antennas.
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