Package integrated one-quarter wavelength and three-quarter wavelength balun
US7081800B2 · kind B2 · utility
12Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Jun 30, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P5/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
According to embodiments of the present invention, a balun is disposed on a package that is to receive a die. In embodiments, the balun includes a first metal trace disposed on a first base and a second metal trace disposed on a second base. In embodiments, the first metal trace is one-quarter wavelength of an operating wavelength for a radio frequency (RF) signal and the second metal trace is three-quarters wavelength of the wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.