Patent · US Active

Mixer for mixing a signal and method for mixing a signal

US7602856B2 · kind B2 · utility

1Cited by

3References

32Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Carmen Wagner · Erlangen, DE
Holger Stadali · Erlangen, DE

Key dates

Filing date	Dec 13, 2005
Grant date	Oct 13, 2009
Priority date	—
Expiry date	Aug 29, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH03D7/163
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A mixer for mixing a signal, present as a sequence of time-discrete values with a time interval between two time-discrete values defining a first sampling frequency from a current frequency to a target frequency, includes a first mixer implemented to convert the signal from the current frequency to an intermediate frequency to obtain an intermediate frequency signal based on the first sampling frequency, wherein a spectral interval between the intermediate frequency and the current frequency depends on the first sampling frequency. Further, the mixer includes means for converting the intermediate frequency signal into a converted intermediate frequency signal which is based on a second sampling frequency. Additionally, the mixer includes a second mixer which is implemented to convert the converted intermediate frequency signal from the intermediate frequency to the target frequency to obtain a target frequency signal which is based on the sampling frequency.

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