Dynamic Energy Losses in Switch Power Amplifiers as Part of a Hydroacoustic Transmission Path
https://doi.org/10.31854/1813-324X-2022-8-3-14-26
Abstract
Results of studies of dynamic energy losses in broadband switch amplifiers of the BD and ABD classes when operating on a hydroacoustic emitter are presented. Relative energy losses in amplifying stages based on silicon (Si) and silicon carbide (SiC) field-effect transistors are compared along with dynamic processes associated with "transistor-diode" through current in switching amplification circuits with Si pulsed reverse diodes and SiC Schottky diodes. The viability of using modern SiC transistors with their own reverse Schottky diodes is demonstrated. Highfrequency components of the low-pass filter current must be taken into account in order to assess the energy performance of the transmitting equipment. Recommendations on the choice of operating modes for the final stages of the switch amplification modules of hydroacoustic radiating paths are offered.
About the Authors
V. Alexandrov
JSC Concern “OCEANPRIBOR”
Russian Federation
Russian Federation
Vladimir Alexandrov
St. Petersburg, 197376
O. Vorobyov
The Bonch-Bruevich Saint-Petersburg State University of Telecommunications
Russian Federation
Russian Federation
Oleg Vorobyov
St. Petersburg, 193232
Yu. Kazakov
JSC Concern “OCEANPRIBOR”; Saint-Petersburg Electrotechnical University
Russian Federation
Russian Federation
Yuri Kazakov
St. Petersburg, 197376
St. Petersburg, 197022
L. Markova
JSC Concern “OCEANPRIBOR”; The Bonch-Bruevich Saint-Petersburg State University of Telecommunications
Russian Federation
Russian Federation
Lyubov Markova
St. Petersburg, 197376
St. Petersburg, 193232
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Review
For citations:
Alexandrov V., Vorobyov O., Kazakov Yu., Markova L. Dynamic Energy Losses in Switch Power Amplifiers as Part of a Hydroacoustic Transmission Path. Proceedings of Telecommunication Universities. 2022;8(3):14-26. (In Russ.) https://doi.org/10.31854/1813-324X-2022-8-3-14-26
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