Patent · US Expired

Method and circuit for compensation control of offset voltages in a radio receiving circuit integrated in a circuit module

US6658244B2 · kind B2 · utility

7Cited by

7References

9Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Josef Schmal · Hersbruck, DE
Timo Gossmann · Neubiberg, DE
Georg Lipperer · Hersbruck, DE
Stefan Herzinger · Sauerlach, DE

Key dates

Filing date	Aug 3, 2001
Grant date	Dec 2, 2003
Priority date	—
Expiry date	Mar 17, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2027/0057
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Offset voltage compensation in baseband in a radio receiver path is achieved by control and programming signals which are required in any case to set the desired states in the circuit module. For this purpose a sequencer is started which is integrated on the module and provides additional control signals that are defined in time, without any additional computation power being required from a separate baseband processor. The offset voltage compensation can be used in receiver and transceiver chips for portable mobile radios, for example for GSM or PCN/PCS.

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