| Issue |
MATEC Web Conf.
Volume 102, 2017
V International Forum for Young Scientists “Space Engineering”
|
|
|---|---|---|
| Article Number | 01006 | |
| Number of page(s) | 4 | |
| Section | Applied Aerospace Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201710201006 | |
| Published online | 15 March 2017 | |
Decrease uncertainty of measuring small differential signal against large common-mode signal
Tomsk Polytechnic University, 634050 Tomsk, Russia
* Corresponding author: bpf@tpu.ru
Comparators capable of comparing two alternating signals of the similar frequency within a wide dynamic range of frequencies and voltages are lock-in amplifiers with a differential input. The paper presents the methods and means are suggested for reducing the measurements uncertainty conditioned by the finite value of the common-mode rejection ratio in lock-in amplifier with a differential input.
© The Authors, published by EDP Sciences, 2017
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