介绍了如何设计射频电路中的S参数，资料非常详细，有例子，不过是英文版的...

SPI接口AD转换器代码 本代码实现了对串行（SPI）接口的软件模拟 这是在一个项目中要用到SPI接口的器件，调试成功，可以在WAVE下编译通过，可以直接调用 SPI接口AD转换器代码 2002/3/9 design by elven-SPI AD converter code of the source implementation of the serial (SPI) interface software simulation This is a project that will be used SPI interface devices, debug successful, the compiler through WAVE, and can directly call SPI AD converter code 2002/3/9 by design"s Eleven

schematic silver18F2620 (make silver card with PIC18F2620)

温湿度传感器驱动函数，IIC总线的，提供直接调用接口-Temperature and humidity sensor-driven function, IIC Bus, to provide direct call interface

单片机时钟代码， 单片机时钟代码-mcu clock code

用并口通信时,只需发送仿真软件的十六进制显示窗口的第四个字节后的所有数据。 如:清全屏的十六进制显示窗口是55AA0001434C42,采用并口通信时只需发送434C42-with Parallel Communications, only this simulation software hexadecimal display window of words, after the data. Such as : a full-hexadecimal 55AA0001434C42 show window is used and only parallel communication sent 434C42

sja1000与串口通信的程序，用串口通信助手可观察结果-SJA1000 with serial communication procedures, using serial communication assistant can be observed

ARM 44b0x的LCD接口源代码,并且已经调试通过-ARM 44b0x LCD interface source code, debugging and has passed

矢量变频器实现源码,用日本瑞莎单片机实现,具极强的实用价值-Vector frequency converter source code, with Japan" s Renesas MCU implementation, with strong practical value

用C写的mobile2006 手机LCD液晶片程序-C wrote mobile2006 phone LCD tablet procedures

用中断实现的一个四*四的键盘程序。在Keil C下开发的。程序通过。-Interrupted by the realization of a four* Four keyboard procedures. In the Keil C developed. Procedure.