信号发生器总电路的设计，可以用作课程设计也可用作毕业设计，包括总电路图跟参数-Total design of the circuit, the signal generator can be used as curriculum design also can be used as a graduation design, including the total circuit diagram with parameters

台达电源原理图 可用于改为充电器，可调电源等等(Taida power supply schematic diagram)

50个典型电路实例详解，2017年最新总结，50个典型电路实例详解，对模电和电子电路设计很有好处。(The detailed explanation of 50 typical circuit examples, the latest summary in 2017, and the detailed explanation of 50 typical circuit examples are very beneficial to the design of the analog and ele

hi3516的中英文芯片书册，pcb原理图，pcb电路图，hi3516硬件设计讲解(Hi3516 Chip Bookbook in Chinese and English, PCB schematic diagram, PCB circuit diagram, explanation of hardware design of hi3516)