On-die radio frequency directional coupler
US8928428B2 · kind B2 · utility
12Cited by
8References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2011 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | May 11, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P5/185
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A directional coupler with increased directivity is disclosed. There is an input port, an output port, a coupled port, and a ballasting port. A first transmission element has a first connection to the input port and a second connection to the output port, and a second transmission element has a first connection to the coupled port and a second connection to the ballasting port. A first compensation capacitor is connected to the input port and the coupled port, and a second compensation capacitor is connected to the input port and the ballasting port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.