This paper describes a front-end electronics designed to process the signals generated by a true-phase polarimeter. The design of the network is oriented to minimize the phase angle measurement uncertainty. The circuit has been accordingly developed and tested in operation. Exploiting a precise analogue phase-to-voltage converter based on a synchronous detection scheme, the network exhibits a phase angle measurement uncertainty less than 0.35 mdeg. The circuit exhibits excellent rejection of uncorrelated noise, disturbances, offsets and harmonics.
Synchronous phase to voltage converter for true-phase polarimeters / M., Ruggeri; G., Salvatori; Rovati, Luigi. - In: MEASUREMENT SCIENCE & TECHNOLOGY. - ISSN 0957-0233. - STAMPA. - 16:(2005), pp. 569-577. [10.1088/0957-0233/16/2/033]
Synchronous phase to voltage converter for true-phase polarimeters
ROVATI, Luigi
2005
Abstract
This paper describes a front-end electronics designed to process the signals generated by a true-phase polarimeter. The design of the network is oriented to minimize the phase angle measurement uncertainty. The circuit has been accordingly developed and tested in operation. Exploiting a precise analogue phase-to-voltage converter based on a synchronous detection scheme, the network exhibits a phase angle measurement uncertainty less than 0.35 mdeg. The circuit exhibits excellent rejection of uncorrelated noise, disturbances, offsets and harmonics.
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