Circuit device for frequency determination of output signal of oscillator for frequency modulated radar detector, performs frequency analysis of final signal, and determines output signal using frequency of final signal

The circuit device has a frequency divider (2) to divide the output signal of oscillator (1) and output an intermediate signal. An auxiliary oscillator outputs an auxiliary signal, and a subtractor subtracts the auxiliary signal from the intermediate signal and outputs a final signal. A frequency an...

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Bibliographische Detailangaben
Hauptverfasser:	GRUSON, FRANK, SCHNEBLI, PAUL
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The circuit device has a frequency divider (2) to divide the output signal of oscillator (1) and output an intermediate signal. An auxiliary oscillator outputs an auxiliary signal, and a subtractor subtracts the auxiliary signal from the intermediate signal and outputs a final signal. A frequency analysis circuit (4) performs frequency analysis of the final signal, and a determining circuit determines the output signal using the frequency of the final signal. An independent claim is included for method for determination of frequency of output signal of oscillator. Es wird eine Vorrichtung und ein Verfahren zur Frequenzanalyse angegeben. Die Frequenz eines Ausgangssignals wird geteilt und von dem niederfrequenten Signal ein Hilfssignal mit bekannter Frequenz subtrahiert. Anhand der Frequenz des niederfrequenten Differenzsignals wird die Ausgangsfrequenz bestimmt.