Electronic device comprising printed circuit board with slits
An electronic device according to various embodiments of the disclosure may include a printed circuit board constructed with a layered structure of a plurality of boards, and may include, among the plurality of boards, a circuit board constructed around a first region to which an acoustic component is disposed, and having at least one slit constructed to block a low-frequency band noise.
1. An electronic device comprising:
a printed circuit board constructed with a layered structure of a plurality of boards;
among the plurality of boards, a first circuit board constructed around a first region to which an acoustic component is disposed, and having at least one slit constructed to block a low-frequency band noise; and
a second circuit board including at least one high-speed signal line disposed such that at least one portion overlaps over or under a ground bridge structure,
wherein the first circuit board including a ground plane constructed on at least one face, a slit constructed in at least some regions of the ground plane, and the ground bridge structure traversing the slit,
wherein the ground bridge structure includes a variable-width structure, and
wherein the variable-width structure is constructed such that a width at a middle portion is narrower than a width at both ends.
2. The electronic device of claim 1 ,
wherein the first circuit board comprises a second region to which an optical component spaced apart from the acoustic component is disposed, and
wherein the slit is constructed to traverse between the first and second regions.
3. The electronic device of claim 2 , wherein the acoustic component is a receiver, and the optical component includes a camera module.
4. The electronic device of claim 2 , wherein the slit is constructed with a shortest distance between the first and second regions.
5. The electronic device of claim 2 , wherein the slit is constructed in a linear shape.
6. The electronic device of claim 1 , wherein, when viewed from above the first circuit board, the ground bridge structure and the signal line are disposed in an overlapping manner.
7. The electronic device of claim 6 , wherein a width of the ground bridge structure is identical to a width of the signal line.
8. The electronic device of claim 1 , wherein the slit is constructed around an acoustic component disposed on the first circuit board.
9. The electronic device of claim 1 , wherein the ground bridge structure includes a variable-width structure.
10. The electronic device of claim 9 , wherein the variable-width structure is constructed such that a width at a middle portion is narrower than a width at both ends.
11. The electronic device of claim 1 , wherein the slit is constructed around a noise producing source.
12. The electronic device of claim 11 , wherein the noise producing source includes a communication module.
13. An electronic device comprising:
a printed circuit board constructed with a layered structure of a plurality of boards;
among the plurality of layered boards, a first circuit board including a ground plane constructed on at least one face and a slit constructed in at least some regions of the ground plane; and
a second circuit board disposed over or under the first circuit board and including at least one high-speed signal line,
wherein the first circuit board includes at least one ground bridge structure traversing the slit to provide a return current path of each of the high-speed signal,
wherein each of the ground bridge structures includes a variable-width structure, and
wherein the variable-width structure is constructed such that a width at a middle portion is narrower than a width at both ends.