电子负载原理, 负载效应讲的很好，很多恒压源，恒流源，恒阻源模型-The principle of electronic load, load effect speak well, a lot of the constant voltage source, constant current source, constant resistance source model

数字锁相环 dpll的 编译通过,使用verilog HDL语言对锁相环进行基于FPGA的全数字系统设计,以及对其性能进行分析和计算机仿真的具体方法-Digital phase-locked loop dpll compiler through the use of verilog HDL language on the phase-locked loop FPGA-based digital system design, as well as its performance analysis

富士通单片机 适用于MB9054系列硬件编程 网上资料很好 适合项目开发编程(Fujitsu microcontroller is suitable for MB9054 series of hardware programming online data well suited for project development programming)