Patent · US Expired

Notch filter circuit apparatus

US6657518B1 · kind B1 · utility

9Cited by

7References

17Claims

0Family size

Assignee

Raytheon Company · US

Inventors

Thomas Weller · Mainz, DE
Matthew C. Smith · Largo, US
James W. Culver · Sanford, US

Key dates

Filing date	Jun 6, 2002
Grant date	Dec 2, 2003
Priority date	—
Expiry date	Jun 6, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH01P1/2013
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

According to one embodiment of the invention, a notch filter circuit includes a coplanar waveguide that includes a silicon substrate and at least one shunt stub bent at an angle to the coplanar waveguide. The notch filter circuit also includes at least one capacitor bridging at least one discontinuity of the shunt stub.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.