Electronic device including antenna
An example electronic device may include an antenna module including a printed circuit board, a plurality of conductive patches including a first conductive patch and a second conductive patch, an RFIC which is disposed on the second surface of the printed circuit board and includes a first tuning circuit, and a first conductive structure which includes a first portion extending from the first conductive patch, a second portion extending from the second conductive patch and connected to the first portion at a point positioned at one end of the first portion, and a first common portion connected to the first tuning circuit and connecting the first conductive patch and the second conductive patch to the first tuning circuit, a ground, and a wireless communication circuit, and the wireless communication circuit may be configured to feed the plurality of conductive patches to receive a signal in a designated frequency band.
1. An electronic device comprising:
an antenna module comprising:
a printed circuit board comprising a first surface and a second surface opposite to the first surface, the printed circuit board including a conductive layer corresponding to a ground,
a plurality of conductive patches disposed in the printed circuit board or on the first surface of the printed circuit board, and comprising a first conductive patch and a second conductive patch,
a radio frequency integrated circuit (RFIC) disposed on the second surface of the printed circuit board, and comprising a first tuning circuit electrically connected with the conductive layer corresponding to the ground, and
a first conductive structure connecting the first conductive patch and the second conductive patch to the first tuning circuit, the first conductive structure comprising:
a first portion extending from a first point of the first conductive patch,
a second portion extending from a second point of the second conductive patch and connected to one end of the first portion, and
a first common portion extending from a third point at which the first portion and the second portion are connected, and connected to the first tuning circuit;
and
a communication processor electrically connected with the RFIC,
wherein the communication processor is configured to control the RFIC to feed power to the plurality of conductive patches to transmit and/or receive a signal of a designated frequency band, and
wherein the first tuning circuit electrically connects the plurality of conductive patches and the conductive layer with a designated impedance corresponding to the designated frequency band.
2. The electronic device of claim 1 , wherein the first tuning circuit comprises a phase shifter, and
wherein the phase shifter is configured to adjust phases of signals which the plurality of conductive patches transmit and/or receive.
3. The electronic device of claim 1 , wherein the communication processor is configured to control the first tuning circuit such that the first tuning circuit has the designated impedance.
4. The electronic device of claim 1 , wherein the plurality of conductive patches further comprises a third conductive patch and a fourth conductive patch, and
wherein the RFIC further comprises a second tuning circuit electrically connected to the third conductive patch and the fourth conductive patch.
5. The electronic device of claim 4 , wherein the antenna module further comprises a second conductive structure electrically connecting the third conductive patch and the fourth conductive patch to the second tuning circuit, and
wherein the second conductive structure comprises:
a third portion extending from the third conductive patch,
a fourth portion extending from the fourth conductive patch and connected to one end of the third portion, and
a second common portion extending from a fourth point at which the third portion and the fourth portion are connected, and connected to the second tuning circuit.
6. The electronic device of claim 4 , wherein the plurality of conductive patches is configured to form a 1×4 antenna array.
7. The electronic device of claim 1 , wherein the printed circuit board comprises a plurality of conductive layers, and
wherein the plurality of conductive layers comprises the conductive layer corresponding to the ground.
8. The electronic device of claim 1 , further comprising:
a frame forming at least a part of a side surface of the electronic device,
wherein the first surface of the printed circuit board is configured to face a first side surface of the electronic device which is formed by the frame.
9. The electronic device of claim 1 , wherein the designated frequency band comprises a frequency band of 33-36 GHz.
10. The electronic device of claim 1 , wherein the first portion and the second portion of the first conductive structure are configured to have a substantially identical electrical length.
11. The electronic device of claim 1 , wherein the first tuning circuit comprises a varactor, and
wherein the communication processor is configured to control, using the varactor, the first tuning circuit such that the first tuning circuit has the designated impedance corresponding to the designated frequency band.
12. The electronic device of claim 1 , wherein the antenna module further comprises:
a first connection path connecting the RFIC and the first conductive patch; and
a second connection path connecting the RFIC and the second conductive patch, and
wherein the communication processor is configured to control the RFIC to:
feed power to the first conductive patch through the first connection path; and
feed power to the second conductive patch through the second connection path.
13. The electronic device of claim 1 , wherein the printed circuit board comprises a first conductive layer,
wherein the first portion of the first conductive structure comprises:
a first via part extending in a first direction from the first surface toward the second surface of the printed circuit board from the first point of the first conductive patch; and
a first wiring part extending from the first via part and formed on the first conductive layer of the printed circuit board, and
wherein the second portion of the first conductive structure comprises:
a second via part extending in the first direction from the second point of the second conductive patch; and
a second wiring part extending from the second via part and formed on the first conductive layer of the printed circuit board, the second wiring part being connected to the first wiring part at the third point.
14. The electronic device of claim 13 , wherein the printed circuit board further comprises a second conductive layer, and
wherein the first common portion of the first conductive structure comprises:
a third via part extending in the first direction from the third point;
a third wiring part extending from the third via part and formed on the second conductive layer of the printed circuit board; and
a fourth via part extending in the first direction from the third wiring part and connected to the first tuning circuit.
15. An antenna module comprising:
a printed circuit board comprising a first surface and a second surface opposite to the first surface, the printed circuit board including a conductive layer corresponding to a ground;
a plurality of conductive patches disposed in the printed circuit board or on the first surface of the printed circuit board, and comprising a first conductive patch and a second conductive patch;
a radio frequency integrated circuit (RFIC) disposed on the second surface of the printed circuit board, and comprising a first tuning circuit electrically connected with the conductive layer corresponding to the ground; and
a first conductive structure connecting the first tuning circuit and the plurality of conductive patches, the first conductive structure comprising:
a first portion extending from a first point of the first conductive patch,
a second portion extending from a second point of the second conductive patch and connected to one end of the first portion, and
a first common portion extending from a third point at which the first portion and the second portion are connected and connected to the first tuning circuit,
wherein the RFIC is configured to feed power to the plurality of conductive patches to transmit and/or receive a signal of a designated frequency band, and
wherein the first tuning circuit electrically connects the plurality of conductive patches and the conductive layer with a designated impedance corresponding to the designated frequency band.
16. An electronic device comprising:
an antenna module comprising:
a printed circuit board comprising a first surface and a second surface opposite to the first surface, the printed circuit board including a conductive layer corresponding to a ground,
a plurality of conductive patches disposed on the first surface of the printed circuit board, and comprising a first conductive patch and a second conductive patch,
a radio frequency integrated circuit (RFIC) disposed on the second surface of the printed circuit board, and comprising a tuning circuit electrically connected with the conductive layer corresponding to the ground, and
a conductive structure configured to connect the plurality of conductive patches and the tuning circuit, the conductive structure comprising:
a switch circuit comprising a first port, a second port, and a third port,
a first portion extending from the first conductive patch and connected to the first port of the switch circuit,
a second portion extending from the second conductive patch and connected to the second port of the switch circuit, and
a common portion connecting the third port of the switch circuit and the tuning circuit;
and
a communication processor electrically connected with the RFIC,
wherein the communication processor is configured to control the RFIC to feed power to the plurality of conductive patches to transmit and/or receive a signal of a designated frequency band, and
wherein the tuning circuit electrically connects the plurality of conductive patches and the conductive layer with a designated impedance corresponding to the designated frequency band.
17. The electronic device of claim 16 , wherein the tuning circuit comprises a phase shifter, and
wherein the phase shifter is configured to adjust the phases of signals which the plurality of conductive patches transmit and/or receive.
18. The electronic device of claim 16 , wherein the communication processor is configured to control the tuning circuit such that the tuning circuit has the designated impedance.
19. The electronic device of claim 16 , wherein the switch circuit comprises a single pole double through (SPDT) switch.
20. The electronic device of claim 16 , wherein the antenna module further comprises:
a first connection path configured to connect the RFIC and the first conductive patch; and
a second connection path configured to connect the RFIC and the second conductive patch, and
wherein the communication processor is configured to control the RFIC to:
feed power to the first conductive patch through the first connection path; and
feed power to the second conductive patch through the second connection path.