Signal-processing electronics

Details Signal-processing electronics Signal-processing electronics

2005-04-04

2009-08-11

Le, Thanh C (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S326000

Reexamination Certificate

active

07574190

ABSTRACT:
The present invention relates to a method and an electronic circuit for processing at least two at least partially correlated output signal streams of a mixer, the mixer having at least two signal inputs and at least two electric signal outputs. In order to provide a method and a device or an electronic circuit which enables the correlated signal portions of the output signals of a mixer to be separated from the uncorrelated signal portions undelayed, it is proposed according to the invention that the difference of the output signal streams of the mixer is formed pairwise directly and during the readout of the signal streams and that the circuit has an apparatus for the instantaneous formation of the difference between the signal streams of two mixer outputs in each case.

REFERENCES:
patent: 5687261 (1997-11-01), Logan
patent: 5852771 (1998-12-01), Jain et al.
patent: 6597899 (2003-07-01), Souetinov et al.
patent: 197 04 496 (2001-02-01), None
patent: 100 39 422 (2002-08-01), None
patent: WO 2004/027359 (2003-09-01), None

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