TY JOUR TI Twofold Reserved Solid-State Amplifier of UNF Power for Onboard Equipment of Spacecraft’s KW double redundant solid-state power amplifier KW microwave power KW thermostatically controlled plate KW spacecraft KW secondary power supply source KW active operating life KW mass KW dimensions JO Infocommunications and Radio Technologies AU Alybin, V.G. AU Avramenko, S.V. PY 2023 IS 6 PB Federal State Educational Institution of Higher Education Sevastopol State University