Antenna assembly and device including antenna assembly
An antenna assembly and an antenna device including the same are provided. The antenna assembly includes antenna elements, a first printed circuit board (PCB), cavity filters, and a second PCB. The first PCB has one surface provided with the antenna elements. The cavity filters are installed on the other surface of the first PCB and electrically connected to the plurality of antenna elements. The second PCB has one surface electrically connected to the cavity filters and includes at least a power amplifier, digital processing circuit, and calibration network. The second PCB includes one or more first processing areas and one or more second processing areas extending in parallel with each other. The digital processing circuit is disposed in the second processing area and not in the first processing area. The power amplifier is disposed in the first processing area and not in the second processing area.
1. An antenna assembly comprising:
a plurality of antenna elements;
a first printed circuit board (PCB) having one surface provided with the plurality of antenna elements;
a plurality of cavity filters installed on other surface of the first PCB and electrically connected to the plurality of antenna elements; and
a second PCB having one surface electrically connected to the plurality of cavity filters and including at least a power amplifier, a digital processing circuit, and a calibration network, wherein
the second PCB includes one or more first processing areas and one or more second processing areas extending in parallel with each other,
the digital processing circuit is disposed in the second processing area and not in the first processing area, and
the power amplifier is disposed in the first processing area and not in the second processing area, and
wherein the first processing area and the second processing area are parallel to each other, and
wherein the first processing area and the second processing area are disposed on a same plane.
2. The antenna assembly of claim 1 , further comprising a port area formed to extend along some edges of the first processing area and the second processing area,
wherein the first processing area and the second processing area extend in a direction perpendicular to an edge formed at one substrate edge on which the port area is formed, and one edge of each of the first processing area and the second processing area is disposed adjacent to the edge formed at one substrate end on which the port area is formed.
3. The antenna assembly of claim 1 , further comprising a port area formed to extend along one edge of the first processing area,
wherein the first processing area and the second processing area extend in a direction parallel to a direction in which the port area extends, the first processing area is disposed adjacent to an edge formed at one substrate end on which the port area is formed.
4. The antenna assembly of claim 2 , wherein the first processing areas and the second processing areas are alternately arranged.
5. The antenna assembly of claim 1 , wherein the digital processing circuit and the calibration network are formed in a PCB pattern on the second PCB, and
wherein the second PCB and the cavity filters are connected in a surface contact manner.
6. The antenna assembly of claim 5 , wherein the second processing area is connected to the port area by direct circuit wiring.
7. An antenna device comprising:
an antenna assembly comprising:
a plurality of antenna elements;
a first printed circuit board (PCB) having one surface provided with the plurality of antenna elements;
a plurality of cavity filters installed on other surface of the first PCB and electrically connected to the plurality of antenna elements; and
a second PCB having one surface electrically connected to the plurality of cavity filters and including at least a power amplifier, a digital processing circuit, and a calibration network,
wherein the second PCB includes one or more first processing areas and one or more second processing areas extending in parallel with each other,
the digital processing circuit is disposed in the second processing area and not in the first processing area, and
the power amplifier is disposed in the first processing area and not in the second processing area;
a main housing formed with at least one elongated groove and disposed on a bottom surface of the second PCB of the antenna assembly; and
a detachable heat sink disposed on a bottom surface of the main body housing and having a heat sink main body and at least one heat dissipation fin,
wherein the detachable heat sink is configured to receive heat generated from the second PCB through the elongated groove.
8. The antenna device of claim 7 , wherein a relatively high heat generating processing area that is either the first processing area or the second processing area is disposed on an edge side of the second PCB, and
wherein the main body housing is formed with an elongated groove and the detachable heat sink is disposed in a common lower area of the edge side of the second PCB where the relatively high heat generating processing area is formed.
9. The antenna device of claim 7 , further comprising:
at least one protrusion which is formed on an upper surface of the heat sink body of the detachable heat sink and is in contact with a bottom surface of the second PCB to directly receive heat transmitted from the second PCB.
10. The antenna device of claim 7 , wherein the detachable heat sink is made of a material having a higher thermal conductivity than the body housing.