Circuit for the detection of electromagnetic radiation

Circuit for the detection of electromagnetic radiation

The radiation detection circuit has one or more sensor elements (2) converting received electromagnetic radiation into corresponding electrical signals supplied to a FET (3). The FET is coupled to the supply voltage (UB) via an ohmic or inductive impedance (6), connected to one of its power terminal...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: KNAUP, GERHARD
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALARM SYSTEMS
COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
ORDER TELEGRAPHS
PHYSICS
RADIATION PYROMETRY
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
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Beschreibung
Zusammenfassung:The radiation detection circuit has one or more sensor elements (2) converting received electromagnetic radiation into corresponding electrical signals supplied to a FET (3). The FET is coupled to the supply voltage (UB) via an ohmic or inductive impedance (6), connected to one of its power terminals, the other of which acts as the signal output (7) of the circuit. The sensor elements may be connected between the FET gate and earth, in parallel with a resistor (4), with a capacitor (5) between the signal output and earth.