AddRssItem

说明：  giai ma DTMF bat so dien thoai goi den bang ic chuyen dung.

润滑油任意温度下的粘度计算，适用于需要任何温度下粘度的变化情况(The viscosity of the lubricant under any temperature calculation, for applications that require changes in viscosity at any temperature)

通过AD7846和AD588芯片，在C52片子上编程，完成偏流源系统的连续可调(Through the AD7846 and AD588 chips, in the C52 films on the program, complete bias of the source system continuously adjustable)

这是Keil C51中的两个例子，对于刚刚接触Keil C51的人来说这两个例子非常有用 (This is the Keil C51 two examples, For contact Keil C51 just who these two examples very useful)

说明：  设计一个正弦信号发生器，使用凌阳公司的16位单片机SPCE061A作为中央控制器，结合DDS芯片AD9850，产生0～15MHz频率可调的正弦信号,正弦信号频率设定值可断电保存；使用宽频放大技术，在50Ω负载电阻上使1K～10MHz范围内的正弦信号输出电压幅度VP-P=6V±1V；产生载波频率可设定的FM和AM信号；调制信号为1KHz的正弦波，调制信号的产生采用DDS技术，由CPLD和Flash ROM加上DAC进行直接数字合成；二进制基带序列码由CPLD产生，在100KHz固定载波频率下进行数字键控，产生ASK，PSK信号。(Design of a sinusoidal signal generator, the use of Sunplus 16-bit MCU SPCE061A as the central controller, combined with DDS chip AD9850, have adjustable frequencies 0 ~ 15MHz sinusoidal signal, sinusoidal signal frequency settings can be stored power using broadband amplification, in a 50Ω load resistor to 1K ~ 10MHz sinusoidal signal within the output voltage amplitude VP-P = 6V ± 1V generating the carrier frequency of the FM and AM can be set signal 1KHz sine wave modulation signal, modulated signal generation using DDS technology, coupled by the CPLD and Flash ROM DAC for direct digital synthesis binary baseband sequence code generated by the CPLD in a fixed carrier frequency 100KHz digital keying, resulting in ASK, PSK signals.)

说明：  STM32F103C8T6基础编程，硬件Uart通信(STM32F103C8T6 Programming, communication hardware)

基于AD8402的数字电位器，可以拟补模拟电位器进度不够的缺陷，从而提高系统的精度(AD8402 based on the digital potentiometer, can fill to simulate the defects, schedule enough potential to improve precision of the system)

说明：  1.44寸显示屏显示资料，可显示汉字，图片，彩色图片，带取模软件(1.44-inch display screen display data, can display Chinese characters, pictures, color pictures, with the module software)

说明：  stm32f103rct6 IAR工程环境，使用IAR 8.x(stm32f103rct6 project)

多径仿真，希望对初学者有所帮助，本人亲自编写的呵呵(Multi-path simulation, want to help beginners, I am personally prepared Ha ha)