Patent · US Expired

Signal generator with frequency offset unit in the base band

US7330503B2 · kind B2 · utility

0Cited by

4References

6Claims

0Family size

Assignee

Rohde & Schwarz GmbH & Co. KG · DE

Inventors

Wolfgang Kernchen · Oberhaching, DE
Andreas Hecht · Pforzheim, DE
Wolfgang Kufer · Dahme/Mark, DE

Key dates

Filing date	Apr 16, 2002
Grant date	Feb 12, 2008
Priority date	—
Expiry date	Oct 31, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH04L27/2017
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A signal generator comprises at least one first base band unit and a second base band unit, generating a digital base band signal. At least one first frequency offset unit, connected to the first base band unit, which adds the output signal form the second base band unit and the output signal from the frequency offset unit and an I/Q modulator, in series with the addition unit are provided.

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