M. V. Philippov, V. S. Makhmutov, O. S. Maksumov, A. A. Kvashnin, A. N. Kvashnin, M. V. Razumeyko, V. I. Logachev, S. V. Mizin, S. V. Sokov
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Electronics Unit for “Sun–Terahertz” Scientific Equipment
The article briefly describes the goals and tasks of the planned “Sun–Terahertz” space experiment on board the Russian segment of the ISS. The experiment was aimed at studying radiation from the Sun in the unexplored terahertz range at frequencies of 1012–1013 Hz and obtaining new data on the terahertz radiation of the Sun, solar active regions, and solar flares. The scientific equipment being developed is a set of eight detectors sensitive to radiation of various frequencies: 0.4, 0.7, 1.0, 3.0, 5.0, 7.0, 10.0, and 12.0 THz. The main components of the electronics unit of the scientific equipment are considered: amplifiers, optical-chopper drivers, the power board, and the electronics board. The accuracy of signal measurements using an ADC on the electronics board was calculated, and the sensitivity of the scientific equipment was assessed.
期刊介绍：
Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.
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