电子工程专辑

【艾睿方案】Sigma-Delta ADC简介及应用

ADC — 模数转换器是连接模拟世界与数字世界的桥梁。说到这里，有些朋友会问，我们为什么需要模数转换？为什么需要ADC？ 依托值得信赖的供应商组合，我们可提供从关键元件到先进开发平台的全套解决方案，确保您的项目成功落地。无论您是正在开发全新的 ...
EDN

Delta-sigma ADC basics: How the digital filter works

Designing with a delta-sigma analog-to-digital converter can help achieve the highest possible resolution in your system. But to maximize this architecture’s benefits, it helps to understand how the ...
电子工程专辑

关于Sigma-Delta ADC数字滤波器的原创设计资料分享

1. 首先我们使用MATALB（candence）搭建sigma-delta ADC的模型，得到一串间隔不同的1、-1bit流。接着我们需要对这些数据流进行处理（滤除噪声、降低采样频率），具体可以看文献资料，下面会附上。 2. 大概说一下我的设计，采样频率256KHz,OSR=128,通过CIC（五级）抽取 ...
EDN

ADC Basics, Part 4: Using Delta-Sigma ADCs in Your Design

The delta-sigma ADC tackles the application demands of a slow analog signal that requires a high signal-to-noise-ratio (SNR) and wide dynamic range. But, the delta-sigma converter is not the only ...
Design-Reuse

Tutorial on Designing Delta-Sigma Modulators: Part 1

The transition from second-generation (2G) to third-generation (3G) wireless cellular systems requires multi-standard adaptability in a wireless receiver. An important answer to this request is the ...