LOCK-IN-VERSTÄRKER MIT WÄHLBARER PHASENSELEKTIVITÄT

LOCK-IN-VERSTÄRKER MIT WÄHLBARER PHASENSELEKTIVITÄT

The amplifier has a multiplier for mixing a measurement signal with a reference signal and a devices for non-linear transformation of the measurement signal and reference signal to vary the phase selectivity. At least one transformation device contains a digital signal processor. At least one transf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WEISS, ARMIN, ZUERL, KONRAD, HEEL, HELMUT, -U.. BW-VWA
Format: Patent
Sprache:ger
Schlagworte:
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER
DIAGNOSIS
ELECTRICITY
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Beschreibung
Zusammenfassung:The amplifier has a multiplier for mixing a measurement signal with a reference signal and a devices for non-linear transformation of the measurement signal and reference signal to vary the phase selectivity. At least one transformation device contains a digital signal processor. At least one transformation device contains an analogue component with a non-linear characteristic.