Electronic component and electronic device
An electronic component includes an antenna electrode functioning as a first electrode plate, a circuit board functioning as a second electrode plate, and a short-circuit section that electrically connects the antenna electrode and the circuit board. The circuit board includes a surface functioning as a first surface opposed to the antenna electrode, a grounding section, a circuit component functioning as a conductive structure disposed on the surface, and a wiring pattern that connects the circuit component and the grounding section.
1. An electronic component comprising:
a first electrode plate being an antenna electrode;
a second electrode plate including a first surface facing the first electrode plate, a grounding section, a circuit component disposed on the first surface to obtain a wavelength reducing effect, and a wire configured to connect the circuit component and the grounding section; and
a connecting section configured to electrically connect the first electrode plate and the second electrode plate.
2. An electronic component comprising:
a first electrode plate being an antenna electrode;
a second electrode plate; and
a power feeding portion provided on the second electrode plate,
wherein the second electrode plate includes:
a first surface facing the first electrode plate;
a grounding section;
a circuit component disposed on the first surface to obtain a wavelength reducing effect; and
a wire configured to connect the circuit component and the grounding section.
3. The electronic component according to claim 1 , wherein the second electrode plate is a circuit board.
4. The electronic component according to claim 2 , wherein the second electrode plate is a circuit board.
5. The electronic component according to claim 3 , wherein the circuit board is a board on which an electric conductor and an insulator are stacked.
6. The electronic component according to claim 4 , wherein the circuit board is a board on which an electric conductor and an insulator are stacked.
7. The electronic component according to claim 1 , wherein the circuit component is at least any one of an integrated circuit, a stud, a conductor block, and a shield case.
8. The electronic component according to claim 2 , wherein the circuit component is at least any one of an integrated circuit, a stud, a conductor block, and a shield case.
9. The electronic component according to claim 1 , wherein the connecting section short-circuits the first electrode plate and the second electrode plate.
10. The electronic component according to claim 2 , wherein the connecting section short-circuits the first electrode plate and the second electrode plate.
11. The electronic component according to claim 1 , wherein a resonant frequency of the electronic component satisfies a following expression:
the resonant frequency=1/{2×π×( L×C ) 1/2 .
where,
C represents capacitance obtained by combining equivalent capacitance of the electronic component and equivalent capacitance added by the circuit component, and
L represents inductance obtained by combining equivalent inductance of the electronic component and equivalent inductance added by the circuit component.
12. The electronic component according to claim 2 , wherein a resonant frequency of the electronic component satisfies a following expression:
the resonant frequency=1/{2×π×( L×C ) 1/2 .
where,
C represents capacitance obtained by combining equivalent capacitance of the electronic component and equivalent capacitance added by the circuit component, and
L represents inductance obtained by combining equivalent inductance of the electronic component and equivalent inductance added by the circuit component.
13. The electronic component according to claim 11 , wherein width of the wire that connects the circuit component and the grounding section directly or via a capacitor is larger than width of other wires connected to components other than the circuit component.
14. The electronic component according to claim 12 , wherein width of the wire that connects the circuit component and the grounding section directly or via a capacitor is larger than width of other wires connected to components other than the circuit component.
15. An electronic device comprising the electronic component according to claim 1 .
16. An electronic device comprising the electronic component according to claim 2 .