Patent · US Expired

Filter circuit arrangement

US5929698A · kind A · utility

2Cited by

2References

5Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Stephan Weber · Munich, DE
Volker Thomas · Gilching, DE

Key dates

Filing date	Jul 8, 1997
Grant date	Jul 27, 1999
Priority date	—
Expiry date	Jul 8, 2017

Classification

Technology area (CPC H)Electricity
CPC primaryH03H11/126
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A low-pass filter circuit including a first sub-filter designed in integrated circuit technology. The first sub-filter includes high-impedance resistor elements and smaller capacitances. A second sub-filter preceding the first sub-filter is constructed with low-impedance resistor elements and higher capacitances.

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