METHOD FOR INTERFERENCE-FREE FREQUENCY CHANGE IN A RECEIVING SYSTEM WITH A PLURALITY OF PARALLEL OPERATED RECEVERS
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United States of America Patent
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app pub date -
Oct 9, 2007
filing date -
Apr 7, 2005
priority date (Note) -
Abandoned
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Abstract
A method is presented for changing a frequency of a first local oscillator in a receiving system, which has a first receiver with the first local oscillator and a first frequency control element and a second receiver with a second local oscillator and a second frequency control element. The method is characterized in that the following steps are performed during a change in a frequency of the first local oscillator from an actual frequency of the first local oscillator to a target frequency, at which an actual frequency of the second local oscillator lies between the actual frequency of the first local oscillator and the target frequency: turning off the first local oscillator, control of the first frequency control element such that the first frequency control element provides a first base value, assigned to the target frequency, of a frequency control variable, turning on the first local oscillator, and setting of the frequency of the first local oscillator to the target frequency. Furthermore, a receiving system is presented.
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