Antenna structure including phase shifter and electronic device including same
An antenna structure is provided. The antenna structure includes a PCB including a first surface and a second surface facing in an opposite direction to the first surface, a conductive patch disposed on the first surface or inside the PCB so as to be adjacent to the first surface rather than the second surface, a first via passing through at least a section of the PCB and connected to the conductive patch and a second via spaced apart from the first via and connected to the conductive patch, a radio frequency integrated circuit (RFIC) disposed on the second surface, and a phase shifter disposed on the second surface or the conductive patch and electrically connected to the RFIC, or disposed inside the RFIC, wherein the conductive patch may be connected to the RFIC through the first and may be connected to the phase shifter through the second via.
1 . An antenna structure comprising:
a printed circuit board (PCB) including a first surface and a second surface facing a direction opposite to the first surface;
a conductive patch disposed on the first surface or inside the PCB adjacent to the first surface;
a first via penetrating through at least part of the PCB and is connected with the conductive patch;
a second via spaced apart from the first via and is connected with the conductive patch;
a radio frequency integrated circuit (RFIC) which is disposed on the second surface;
a phase shifter disposed on the conductive patch to be electrically connected with the RFIC; and
a ground disposed in the PCB,
wherein the conductive patch is connected with the RFIC through the first via, and is electrically connected with the phase shifter through the second via,
wherein the phase shifter is electrically connected to the ground through the second via, and
wherein the conductive patch includes an opening for connecting the second via to the phase shifter.
2 . The antenna structure of claim 1 ,
wherein the RFIC is configured to feed power to the conductive patch through the first via to transmit or receive a signal of a designated frequency band, and
wherein the signal comprises a millimeter wave (mmWave) signal.
3 . The antenna structure of claim 2 , wherein the designated frequency band includes 24 gigahertz (GHz) to 43.5 GHz.
4 . The antenna structure of claim 2 , wherein the phase shifter includes at least one of a variable capacitor, an inductor, or an internal switch.
5 . The antenna structure of claim 4 , wherein the RFIC is further configured to adjust a phase of the signal by controlling at least one of the variable capacitor, the inductor, or the internal switch of the phase shifter.
6 . The antenna structure of claim 1 , further comprising:
a connector disposed on the PCB,
wherein the RFIC is configured to control the phase shifter based on a control signal received through the connector.
7 . The antenna structure of claim 1 ,
wherein the conductive patch is electrically connected with the first via at a first point and is connected with the second via at a second point spaced apart from the first point, and
wherein a center of the conductive patch is positioned between the first point and the second point on a virtual axis connecting the first point and the second point.
8 . The antenna structure of claim 1 , further comprising:
an antenna array disposed on the first surface and comprising a plurality of conductive patches.
9 . The antenna structure of claim 1 , wherein the second via is directly connected to the phase shifter.
10 . The antenna structure of claim 1 , wherein a first end of the phase shifter is connected to the conductive patch and a second end of the phase shifter is connected to the second via.
11 . An antenna structure comprising:
a printed circuit board (PCB) including a first surface, a second surface facing a direction opposite to the first surface, and a ground disposed between the first surface and the second surface;
a conductive patch disposed on the first surface or inside the PCB adjacent to the first surface;
a radio frequency integrated circuit (RFIC) disposed on the second surface;
a phase shifter disposed on the conductive patch;
a first via penetrating through at least part of the PCB in which a first end of the first via is electrically connected with the conductive patch and a second end of the first via is electrically connected with the RFIC; and
a second via spaced apart and separate from the first via and electrically connected with the conductive patch,
wherein the phase shifter is disposed at a center of the conductive patch,
wherein the phase shifter is electrically connected to the ground through the second via, and
wherein the conductive patch includes an opening for connecting the second via to the phase shifter.