Electronic device
An electronic device includes a frame, a baseboard, and at least one ground portion. The frame is formed of at least one conductive material. The baseboard is received in the frame and is spaced from the frame. The baseboard and the frame cooperatively form a gap. The baseboard includes a feed point electrically connected to the frame. One end of each ground portion is electrically connected to the frame and another end of each ground portion is grounded through a high pass filter (HPF).
1. An electronic device comprising:
a frame formed of conductive material;
a baseboard received in the frame and spaced from the frame, the baseboard and the frame cooperatively forming a gap, and the baseboard comprising a feed point electrically connected to the frame;
at least one ground portion, one end of each ground portion electrically connected to the frame and another end of each ground portion grounded through a high pass filter (HPF);
a first feed portion, one end of the first feed portion electrically connected to a radiating portion or electrically connected to the frame through an HPF, another end of the first feed portion electrically connected to the feed point;
a housing formed of conductive material;
a second feed portion formed of conductive material; and
a physiology sensing unit;
wherein one end of the second feed portion is electrically connected to the frame, another end of the second feed portion is electrically connected to the physiology sensing unit through a low pass filter (LPF), and the housing is electrically connected to the physiology sensing unit.
2. The electronic device of claim 1 , wherein the radiating portion is positioned in the gap and is spaced from the baseboard and the frame; and wherein one end of the first feed portion is electrically connected to the radiating portion, and the radiating portion is coupled to the frame.
3. The electronic device of claim 1 , wherein the housing is assembled to the frame and is configured to receive the baseboard with the frame.
4. The electronic device of claim 1 , further comprising a near-field communication (NFC) unit and a matching circuit, wherein the frame has two ends spaced from each other to define a slit, the matching circuit comprises a matching-amplifying unit, a first inductor, and a second inductor; and wherein one end of the first inductor is electrically connected to an end of the frame, one end of the second inductor is electrically connected to another end of the frame, another end of the first inductor and another end of the second inductor are both electrically connected to the NFC unit through the matching-amplifying unit.
5. The electronic device of claim 1 , further comprising a NFC unit and a matching circuit, wherein the frame has at least two ends spaced from each other to define at least one slit, the matching circuit comprises a matching-amplifying unit, a first inductor, and a second inductor; and wherein one end of the first inductor is electrically connected to one end of the at least two ends to electrically connect to the frame, another end of the first inductor is electrically connected to the NFC unit through the matching-amplifying unit, one end of the second inductor is electrically connected to another end of the at least two ends, and another end of the second inductor is grounded.
6. The electronic device of claim 1 , further comprising a NFC unit and a matching circuit, wherein the frame has at least two ends spaced from each other to define at least one slit, the matching circuit comprises a matching-amplifying unit, a first inductor, a second inductor, and a coupling portion; and wherein one end of the first inductor is electrically connected to one end of the at least two ends to electrically connect the frame, another end of the first inductor is electrically connected to the NFC unit through the matching-amplifying unit, one end of the coupling portion is electrically connected to another end of the at least two ends, another end of the coupling portion is electrically connected to one end of the second inductor, and another end of the second inductor is grounded.
7. An electronic device comprising:
a frame formed of conductive material;
a housing formed of conductive material, the housing assembled to the frame and cooperatively forming a receiving space with the frame;
a baseboard received in the receiving space and spaced from the frame, the baseboard and the frame cooperatively forming a gap;
at least one ground portion, one end of each ground portion electrically connected to the frame and another end of each ground portion grounded through a high pass filter (HPF);
a first feed portion, one end of the first feed portion electrically connected to a radiating portion or electrically connected to the frame through an HPF, another end of the first feed portion electrically connected to a feed point of the baseboard;
a second feed portion formed of conductive material; and
a physiology sensing unit;
wherein one end of the second feed portion is electrically connected to the frame, another end of the second feed portion is electrically connected to the physiology sensing unit through a low pass filter (LPF), and the housing is electrically connected to the physiology sensing unit; and
wherein when the electronic device operates at a first working frequency band, the HPF is configured to insulate a signal from a second working frequency band, and when the electronic device operates at the second working frequency band, the HPF is configured to insulate a signal from the first working frequency band.
8. The electronic device of claim 7 , wherein the radiating portion is positioned in the gap and is spaced from the baseboard and the frame; and wherein one end of the first feed portion is electrically connected to the radiating portion and the radiating portion is coupled to the frame.
9. The electronic device of claim 7 , further comprising a NFC unit and a matching circuit, wherein the frame has two ends spaced from each other to define a slit, the matching circuit comprises a matching-amplifying unit, a first inductor, and a second inductor; and wherein one end of the first inductor is electrically connected to an end of the frame, one end of the second inductor is electrically connected to another end of the frame, another end of the first inductor and another end of the second inductor are both electrically connected to the NFC unit through the matching-amplifying unit.
10. The electronic device of claim 7 , further comprising a NFC unit and a matching circuit, wherein the frame has at least two ends spaced from each other to define at least one slit, the matching circuit comprises a matching-amplifying unit, a first inductor, and a second inductor; and wherein one end of the first inductor is electrically connected to one end of the at least two ends to electrically connect to the frame, another end of the first inductor is electrically connected to the NFC unit through the matching-amplifying unit, one end of the second inductor is electrically connected to another end of the at least two ends, and another end of the second inductor is grounded.
11. The electronic device of claim 7 , further comprising a NFC unit and a matching circuit, wherein the frame has at least two ends spaced from each other to define at least one slit, the matching circuit comprises a matching-amplifying unit, a first inductor, a second inductor, and a coupling portion; and wherein one end of the first inductor is electrically connected to one end of the at least two ends to electrically connect the frame, another end of the first inductor is electrically connected to the NFC unit through the matching-amplifying unit, one end of the coupling portion is electrically connected to another end of the at least two ends, another end of the coupling portion is electrically connected to one end of the second inductor, and another end of the second inductor is grounded.