13 Analog to Digital Digital to Analog conversion
- Slides: 26
第 13章 数模/模数转换 Analog to Digital, Digital to Analog conversion (A/D, D/A conversion) 孙卫强 Digital Fundamentals sunwq@sjtu. edu. cn
内容提要 o o o 概述 D/A转换(DAC) A/D转换(ADC) Digital Fundamentals sunwq@sjtu. edu. cn
DAC举例(CD播放器) Digital Fundamentals sunwq@sjtu. edu. cn
ADC举例(空调温度控制) Digital Fundamentals sunwq@sjtu. edu. cn
运算放大器(Operational Amplifier) Rf Vin 1 Ri A Vin 2 Vin 1 A Vout + Vin 2 Vout + Vout~A× (Vin 2- Vin 1) 开环使用时可以做比较器。 Digital Fundamentals 闭环(Closed Loop)使用时,正相输入端接地。 由于负反馈的存在,反相输入端电压也接近于0 sunwq@sjtu. edu. cn
权电阻网络(Weighted Resister Network) DAC 0 1 2 3 电阻值越大,权重越小。 Vout = -If×Rf=-(I 0+I 1+I 2+I 3)×Rf Digital Fundamentals sunwq@sjtu. edu. cn
DAC举例 Digital Fundamentals sunwq@sjtu. edu. cn
DAC举例 Digital Fundamentals sunwq@sjtu. edu. cn
倒T形电阻网络DAC Digital Fundamentals sunwq@sjtu. edu. cn
倒T形电阻网络DAC 0 Digital Fundamentals 0 0 1 sunwq@sjtu. edu. cn
倒T形电阻网络DAC Digital Fundamentals sunwq@sjtu. edu. cn
一个DAC集成电路DAC 0808 Digital Fundamentals sunwq@sjtu. edu. cn
对量化后的样点进行编码 Digital Fundamentals sunwq@sjtu. edu. cn
Flash ADC 阅读例13 -3 Digital Fundamentals sunwq@sjtu. edu. cn
Stairstep-Ramp ADC 反馈比较型AD转换器 阅读图 13 -18 Digital Fundamentals sunwq@sjtu. edu. cn
Tracking ADC 阅读图 13 -20 Digital Fundamentals sunwq@sjtu. edu. cn
Successive-Approximation ADC 逐次渐进型AD转换器 Digital Fundamentals sunwq@sjtu. edu. cn
一个DAC集成电路 ADC 0804 Digital Fundamentals sunwq@sjtu. edu. cn
作业 o 第 13章: 12,14 Digital Fundamentals sunwq@sjtu. edu. cn
- Digital to analog conversion in data communication
- Digital vs analog sound
- Modulasi analog dan digital
- Analog vs digital filter
- Introduction to digital video
- Sebutkan kelemahan modulasi digital
- Single slope adc
- Introduction to analog and digital control systems
- Analog v digital
- Analog and digital video in multimedia
- Analog vs digital communication systems
- S domain
- Difference between digital and analog
- Bidang elektronika dimana sinyal listrik
- Digital to analog converter
- Compare and contrast analog and digital forecasts.
- Analog to digital converter adalah
- Razavi cmos analog circuit design
- Modulation digital to analog
- Digital and analog quantities
- Analog chapter 1
- Analog data and digital data
- Perbedaan analog dan digital
- Impulse invariant method formula
- Analogue and digital transmission in computer networks
- Apa yang dimaksud teknologi digital
- Kuantisasi digitalisasi grayscale berjumlah... bit