Anti-parallel PI PIN attenuator structure with improved CSO performance
US7999631B2 · kind B2 · utility
1Cited by
2References
3Claims
0Family size
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Key dates
| Filing date | Mar 17, 2009 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/66
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An RF attenuator circuit includes an anti-parallel PI structure having an input shunt arm comprising a single PIN diode, and an output shunt arm comprising a single PIN diode configured to have opposite polarity of the PIN diode of the input shunt arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.