Abstract
This article describes characteristics of preamplifiers for Atomic Layer Thermopile (ALTP) sensor based on precision operational amplifiers AD8597, ADA4004, ADA4075, ADA4896 and ADA4528. Transfer functions and total output noise values of these preamplifiers were obtained experimentally using an Agilent InfiniiVision 3000 series X oscilloscope. Results of experimental verification of preamplifier characteristics using a high-speed heat source are presented and discussed; the best operational amplifier for the application is determined.
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