介绍了一种太阳能无变压器式彩电电源，即高效率的DC/AC变换器。
The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.
本课题是对无工频变压器开关电源控制器芯片模块电路的设计与研究。
My project is focused on the design and research of PWM switching power supply control circuitry that requires high efficiency and reliability.
本课题是对无工频变压器开关电源控制器芯片模块电路的设计与研究。
My project is focused on the design and research of PWM switching power supply control circuitry that requires high efficiency and reliability.
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