High-efficiency satellite-borne phased-array antenna power supply assembly

• Main Authors: HUA MING, JIANG HUA, FENG XINGE, CHEN SHANHUA, HUA TAO, ZHU YONGLIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.09.2022
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The invention discloses a high-efficiency satellite-borne phased-array antenna power supply assembly which comprises an RCC circuit, a step-down switch circuit, a negative-voltage linear voltage stabilizing circuit and an active clamping forward circuit. The active clamping forward circuit comprises a power supply pulse width modulation circuit, a second high-frequency transformer TR2, a synchronous rectification driving signal sampling circuit S13 and a synchronous rectification driving circuit; the output end I of the RCC circuit is connected with the step-down chip power supply; the output end II of the RCC circuit is connected with the negative-voltage linear voltage stabilizing circuit; the output end I of the RCC circuit is connected with the power supply pulse width modulation circuit; and the output end I of the RCC circuit is connected with the synchronous rectification driving circuit. According to the high-efficiency satellite-borne phased array radar antenna power supply assembly provided by the i