Serial L-C resonator with three-dimensional structure and ultra-wide bandpass filter using the same
US8531253B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2008 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Jun 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/1775
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In an ultra-wideband (UWB) band-pass filter, an equivalent circuit of a band-pass filter for direct frequency conversion is configured to have a series LC resonator and a parallel LC resonator, the parallel LC resonator is implemented as a short stub and an open stub, and the series LC resonator is implemented by modeling an inductor and a capacitor as a distributed constant circuit. The series LC resonator is implemented to have a 3D structure for effective designing of the band-pass filter by a new method of implementing a series resonator circuit. In the UWB band-pass filter, a low-pass filter for improving band-stop characteristics is additionally connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.