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US 11,777,186 B2Granted
Front-end module comprising front-end components and a substrate integrated waveguide filter formed on a printed circuit board
AssigneeAllen-Vanguard Corporation
InventorsSulav Adhikari, Ernst Wallisch, Jr.
Life of this patent
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Abstract
System, apparatuses and methods are disclosed which relate to the use of substrate integrated waveguide technology in front-end modules. An example circuit card assembly for use as a cellular base station front-end is disclosed which includes at least one component printed circuit board (PCB) layer having front-end module hardware components and at least one filter PCB layer including at least one substrate integrated waveguide (SIW) filter.
Claims14
A circuit card assembly for a cellular base station front-end comprising:
- at least one component printed circuit board (PCB) layer having front-end module hardware components;
- and
- at least one filter PCB layer including at least one substrate integrated waveguide (SIW) filter;
- wherein the at least one substrate integrated waveguide comprises a top metallized surface, a bottom metallized surface, and a plurality of discrete via holes disposed therebetween, and wherein the plurality of discrete via holes are arranged so as to form two rows of metallic walls;
- and wherein the front-end module hardware components comprise a digital interface, a radio frequency (RF) transceiver, an RF power amplifier, and digital control circuitry.
2 more elements
A method for manufacturing a circuit card assembly comprising:
- manufacturing a PCB including a plurality of PCB layers having a main section and an enlarged section a break-off section;
- populating at least one layer of the plurality of PCB layers with components;
- and
- breaking off the enlarged section break-off section.
1 more element
Dependencies are inferred from the claim text.