Waveguide coupling for a fill level radar
A waveguide coupling for a fill level radar including a waveguide and a high-frequency chip, which projects at least in part into the waveguide and includes a coupling element for coupling the transmission signal into the waveguide.
1. A waveguide coupling for a fill level radar, comprising:
a waveguide;
a high-frequency chip, which is arranged at least in part in the waveguide, and configured to generate a high-frequency transmission signal; and
a substrate on which the high-frequency chip is mounted,
wherein the substrate is mounted on the waveguide,
wherein the high-frequency chip includes a coupling element configured to couple the high-frequency chip with the waveguide by feeding the high-frequency transmission signal into the waveguide, and
wherein the waveguide comprises a resonator chamber which is integrated in a cavity in the substrate.
2. The waveguide coupling according to claim 1 ,
wherein the coupling element is designed as a coupling pin.
3. The waveguide coupling according to claim 1 ,
wherein the coupling element is arranged on the an upper face of the high-frequency chip.
4. The waveguide coupling according to either of claim 1 ,
wherein the coupling element is arranged on the lower face of the high-frequency chip.
5. The waveguide coupling according to claim 1 ,
wherein the resonator chamber is filled with a dielectric at least up to a plane in which a bottom surface of the high-frequency chip is arranged.
6. The waveguide coupling according to claim 1 , further comprising:
an antenna horn that is mounted on an end of the waveguide.
7. The waveguide coupling according to claim 1 ,
wherein the high-frequency chip is adhesively bonded to the substrate.
8. A high-frequency radar module for a fill level radar, comprising:
a waveguide coupling for a fill level radar, including:
a waveguide;
a high-frequency chip, which is arranged at least in part in the waveguide, and configured to generate a high-frequency transmission signal; and
a substrate, on which the high-frequency chip is mounted,
wherein the substrate is mounted on the waveguide,
wherein the high-frequency chip includes a coupling element configured to couple the high-frequency chip with the waveguide by feeding the high-frequency transmission signal into the waveguide, and
wherein the waveguide comprises a resonator chamber which is integrated in a cavity in the substrate.
9. A fill level radar comprising:
the high-frequency radar module according to claim 8 .