| 摘要 |
An electronic device is disclosed in implementation manners of the present invention, where the electronic device is provided with a metal frame, the electronic device further includes an antenna feeding point, an antenna ground, a feeding branch, a grounding branch, an antenna resonance arm, a variable capacitor, and a control circuit. The antenna resonance arm is a part of the metal frame after segmentation, the antenna feeding point is disposed on the feeding branch, a first connection portion and a second connection portion are disposed on the antenna resonance arm, the first connection portion is disposed on a first end portion of the antenna resonance arm, the second connection portion is disposed between the first end portion and a second end portion of the antenna resonance arm, the feeding branch is disposed between the second connection portion and the antenna ground, the grounding branch is disposed between the first connection portion and the antenna ground, the variable capacitor is disposed on the feeding branch, the variable capacitor is disposed between the antenna feeding point and the second connection portion, and the control circuit is configured to adjust a capacitance of the variable capacitor. According to the foregoing disclosed content, technical solutions provided in the present invention can give attention to both a bandwidth and efficiency of an antenna, and keep an appearance uniformity of the metal frame of the whole device. |
