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+====== Fast analog comparator ACOMP01A ======
+[[http://en.wikipedia.org/wiki/Comparator|Comparator]] is used to process high frequency signals. The analog signal input is applied to SMA connector. The comparative level can be set up by a SMA connector as well. Digital output by SATA connector is differential.
+===== The usage of the module =====
+  * Conductivity measurements (e.g. for testing a water quality).
+  * Measurement of humidity in soil / bulk materials using a [[http://en.wikipedia.org/wiki/Time-domain_reflectometer|TDR]] method. It does not suffer from electrolytic phenomena.
+  * Water level measurement (using coaxial cable with chambers, through which the water flows into the dielectric).