Band-pass filter using microstrip lines
US5105173A · kind A · utility
19Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Nov 19, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/20336
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A microwave band-pass filter of interdigital type employing microstrip lines and a filter characteristic adjusting method thereof are disclosed. The microwave band-pass filter includes plural stages of resonant lines. Furthermore, the resonant line includes a short-circuit portion, an open portion and a connection portion. The short-circuit portion has its one end grounded and the open portion has its one end open. The connection portion is interposed between the short-circuit portion and the open portion and has its width gradually increased from both sides of the short-circuit portion to both sides of the open portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.