变形V3.0

说明：  微带滤波器设计，包括低通、带通和高通三型滤波器参数设计，能够设置频率范围，自动生成滤波器参数。(Microstrip filter design, including low-pass, band-pass and high pass filter parameter design, can set the frequency range, automatically generate filter parameters.)

ldpc的算法介绍及其fpga上硬件实现(Introduction of LDPC algorithm and Its FPGA implementation)

说明：  文件中包含stm32开发板所配套的开关使用说明的程序例程，重在讲解开关是如何被使用的，在kEIL5软件上怎么编写的。(The document contains the program routine of the switch instructions matched by STM32 development board, focusing on how the switch is used and how to write on kEIL5 software.)

MC68340驱动TNT4882，实现GPIB接口通讯(TNT4882 in an MC68340 System)

说明：  用PSIM实现基于扰动观测法的MPPT最大功率点追踪(Use psim to achieve the goal of mppt)

说明：  DDR4原理图 PCB参考。 pdf版本原理图以及allegro PCB文件。(cadence ddr4 allegro pdf)

说明：  使用system verilog编写的一系列代码。包括二进制码与格雷码转换，优先编码器，38解码器，计数器等等(system verilog code with testbench.)

采用STM32F105和FPGA设计的驱动液晶屏的电路图。(Circuit diagram of driving LCD screen designed by STM32F105 and FPGA)

SNDR用于ADC计算信号噪声比，仅供参考学习，~~~(SNDR for ADC signal to noise ration calculation, for ur ref,~~~~~)

用于驱动2.13英寸的墨水屏，电纸屏。包含arduino、STM32平台的源码。(Used to drive an ink screen of 2.13 inches, an electric paper screen. Contains Arduino, STM32 platform source code.)