Ramdac random access memory digital to analog converter 随机存储器数模转换器
Ramdac random access memory digital to analog converter 随机存储器数模转换器
Dac - digital to analog converter 模拟数字信号转换器
Digital to analog d conversion 数模变换
Digital to analog conversion 数模变换
Hybrid integrated circuits detail specification for type hda030 linear 12 bit digital to analog converter 混合集成电路. hda030型线性12位数字模拟转换器详细规范
Digital to analog converter , analog integrated filter , bandgap reference and high drive capability operational amplifier are indispensability basic circuit of communication system 数模转换器、模拟集成滤波器、基准电压源和高驱动能力运放等电路是通信系统中不可缺少的基本电路。
( 4 ) design an output board to process the result data , transfer digital data out and realize digital to analog conversion . ( 5 ) debug and improve on the system hardware ( 4 )以一片adsp21160m和一片ep1k100qc208为核心,设计输出板电路,完成数据对齐、求模和数据向下一级的输出,并产生模拟输出。
In this thesis , the technology of analog to digital converter ( adc ) and digital to analog converter ( dac ) were reviewed in detail from the perspectives of the modern electronic technology applications , including principles , comparison of characteristics , main technical indicators and applications 摘要本文从现代电子技术应用角度出发,介绍模数和数模转换器的技术,包括工作原理、特性的对比、主要技术指标及发展应用。
In this thesis , firstly , the main protocols and their functions , the application profiles of bluetooth technology are introduced . the hci protocol is analysized emphasesly ; secondly , the 4 - channel 10v analog to digital conversion ( a / d ) bluetooth adapter , 4 - channel 10v digital to analog conversion ( d / a ) bluetooth adapter , rs232 serial port bluetooth adapter are developed . the hardware and software of them are realized and test ; thirdly , the test tool software for bluetooth adapter is designed . the displaying and saving of data with vc + + 6 . 0 multithread in pc is completed , then the wireless serial port communication between pc and micro - controller unit ( mcu ) is implemented , the data results of those adapters are acceeded ; finally , the bit - error - rate testing software of bluetooth communication system is designed , and the bit - error - rate test results of bluetooth adapter in labortary are acquired and illustrated also 其次提出了硬件设计方案:四通道10v模拟/数字( a / d )蓝牙适配器、四通道10v数字/模拟( d / a )蓝牙适配器, rs232串口通信蓝牙适配器。在此基础上完成了硬件电路和软件程序的设计和调试。再次,设计了蓝牙适配器测试工具软件,在pc机上用vc6 . 0 + +多线程编程完成对传输数据的保存与显示,实现了pc机与单片机的串口无线通信,并给出了蓝牙适配器测试结果。