Patent · US Expired

Circuit arrangement with a filter quadripole

US5864256A · kind A · utility

3Cited by

1References

5Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Burkhard Dick · Hamburg, DE
Manfred Biehl · Norderstedt, DE
Winfried Jansen · Ellerbek, DE
Bernd Pille · Hamburg, DE
Norbert Wirges · Hamburg, DE

Key dates

Filing date	Mar 6, 1997
Grant date	Jan 26, 1999
Priority date	—
Expiry date	Mar 6, 2017

Classification

Technology area (CPC H)Electricity
CPC primaryH04B1/1615
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A description is given of a circuit arrangement comprising PA1 a filter quadripole having two output terminals and PA1 a voltage follower circuit having two terminals, said terminals having identical electric potentials when the voltage follower circuit is in its turned-on state, each of the terminals of the voltage follower circuit being connected to one of the output terminals of the filter quadripole respectively, and the voltage follower circuit only being in its turned-on state during the turn-on time interval of the circuit arrangement. This circuit arrangement is suitable for a receiver circuit, more particularly, for a pager and has a very brief turn-on time.

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