Independently adjustable combined harmonic rejection filter and power sampler
US7321276B2 · kind B2 · utility
4Cited by
20References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 2005 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Feb 20, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/212
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An adjustable low pass filter and directional coupler used in microwave communication are combined to reduce the size of the microwave circuit. The low pass filter portion and coupling portion are made independently tunable with a plurality of varactors and variable reactance circuits connected to ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.