Patent · US Active

Internal calibration system for a radio frequency (RF) transmitter

US7647028B2 · kind B2 · utility

6Cited by

18References

15Claims

0Family size

Assignee

Skyworks Solutions, Inc. · US

Inventors

Norman Beamish · Munich, DE
Morten Damgaard · Laguna Hills, US
William J. Domino · Yorba Linda, US

Key dates

Filing date	Apr 6, 2005
Grant date	Jan 12, 2010
Priority date	—
Expiry date	Jan 13, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH04B17/21
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

An internal calibration system for a radio frequency (RF) transmitter comprises a digital processing element to generate within a radio frequency (RF) transmitter test points at which an output of the RF transmitter is measured, an RF detector to measure the radio frequency output of the RF transmitter at the test points, the digital processing element also determining transmitter impairments by analyzing the measured radio frequency output, and compensation circuitry to compensate the RF transmitter for the measured impairments.

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