Frontal block with intergrated antenna
The invention relates to an RF reception front end block comprising a first substrate and an RF integrated front end module integrated onto a second substrate supporting a radiating part of the antenna. The antenna is in addition formed by: a first radiating part supported by the substrate and by a junction constituted by a third radiating part connecting the first radiating part and the part supported by the substrate.
1. A RF reception front end block comprising:
a first substrate, covered partially by a second substrate to form a first part of the first substrate covered by the second substrate and a second part of the first substrate that is not covered by the second substrate, the second substrate supporting an RF integrated front end module, and an antenna, wherein the antenna is formed by:
a first radiating part supported only by the second part of the first substrate which is not covered by the second substrate;
a second radiating part supported by the second substrate; and
a third radiating part electrically connecting the first radiating part and the second radiating part, such that the antenna is etched on the first, second, and third radiating parts in addition and that the antenna is directly supplied via a direct access to the RF integrated front end module.
2. The RF reception front end block according to claim 1 , wherein said first radiating part consists in, at least partially, an upper side of the first substrate.
3. The RF reception front end block according to claim 1 , wherein the first substrate supports a fourth substrate, the fourth substrate having a higher permittivity than the first substrate and said first radiating part consists in, at least partially, an upper side of the fourth substrate.
4. The RF reception front end block according to claim 1 , wherein a plurality of RF components are disposed on an upper side of the second substrate, a third substrate forms a protective cover covering the RF components of a RF module, and the second radiating part corresponds at least partially to an upper side of the third substrate.
5. The RF reception front end block according to claim 1 , wherein a plurality of RF components of a RF module are disposed on a lower side of the second substrate opposite the first substrate, and the second radiating part covers at least partially an upper side of the second substrate.
6. The RF reception front end block according to claim 2 , wherein the first substrate is of a FR4 type and the second substrate is of a LTCC type.
7. The RF reception front end block according to claim 1 , wherein the third radiating part connecting the first radiating part and the second radiating part is a vertical metallization disposed on at least one side of a RF module.
8. The RF reception front end block according to claim 7 , wherein the vertical metallization is disposed on at least one side of the RF module by at least one via.
9. The RF reception front end block according to claim 7 , further comprising a front end module wherein the vertical metallization is implemented by transmission lines.
10. The RF reception front end block according to claim 1 , wherein the third radiating part connecting the first radiating part and the second radiating part is implemented by electromagnetic coupling.
11. The RF reception frond end block according to claim 3 , wherein the fourth substrate is of a LTCC type.
12. The RF reception front end block according to claim 4 , wherein the third substrate is of a LTCC type.
13. The RF reception front end block according to claim 2 , wherein a plurality of RF components are disposed on an upper side of the second substrate, a third substrate forms a protective cover covering the RF components of a RF module, and the second radiating part corresponds at least partially to an upper side of the third substrate.
14. The RF reception front end block according to claim 3 , wherein a plurality of RF components are disposed on an upper side of the second substrate, a third substrate forms a protective cover covering the RF components of a RF module, and the second radiating part corresponds at least partially to an upper side of the third substrate.
15. The RF reception front end block according to claim 2 , wherein a plurality of RF components of a RF module are disposed on a lower side of the second substrate opposite the first substrate, the second radiating part covers at least partially an upper side of the second substrate.
16. The RF reception front end block according to claim 3 , wherein a plurality of RF components of a RF module are disposed on a lower side of the second substrate opposite the first substrate, and the second radiating part covers at least partially an upper side of the second substrate.