CIRCUIT AND METHOD FOR READING OUT ELECTRIC SIGNALS FROM A HIGH-RESOLUTION THERMAL SENSORS

摘要

The invention relates to a circuit for reading out electric signals (t1, t4) from high-resolution thermal sensors (1', 1*) emitting low-level signals with in a low signal dynamic range. The inventive circuit makes it possible to carry out readout free of troubles of individual elements from a greater sensor device (sensor array). Said invention also relates to a circuit for reading out free of troubles of electronic signals of the individual elements (arrays) of the high-resolution thermal sensors (1', 1*) such as thermo-elements, thermo-cells, pyrometers and bloomers. Said signals are serially read out at least on one data line (4') by means of a multiplexer, a proper amplifier (3' 3*) being arranged between each sensor element (1', 1*) and said multiplexer (2).