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These three OEM circuit boards form the basis of a standalone,
multi-channel phase-sensitive detection system designed principally
as a cost effective electronic measurement solution for derivative
spectroscopy and lock-in detection applications.
Rather than having to use a number of individual phase sensitive
detection (PSD) modules (which provided unwanted and unused
functionality) these boards provide a low-cost, high quality
alternative solution. When used in conjunction with the additional
laser driver board a complete OEM, four-channel PSD measurement
solution with 9 bit phase control and derivative measurement
capabilities at f, 2f and 3f can be easily achieved.
Using conventional lab-based lock-in detection equipment or even
alternate supplier OEM modules the initial capital outlay costs can
be significant. AOS offers a dedicated measurement package based
upon many years of measurement experience and a simplified technical
approach to the functionality requirements of this measurement
technique. The system consists of three high-quality pcb boards;
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