CATV digital receiver intermodulation susceptibility tester
US8311086B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 30, 2008 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | May 10, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N17/004
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus are provided for testing susceptibility of a receiver to intermodulation distortion of a digital channel, the method including selecting a first digital channel from channels in a composite signal, determining a first power measurement from the first digital channel, determining a total power measurement from other channels in the composite signal, and determining susceptibility of the first digital channel to intermodulation distortion by comparing the first power measurement and the total power measurement with intermodulation distortion characteristics of the receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.