Application of PWC318 in Σ-Δ A/D Convertor
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摘要: 介绍了Σ -Δ型A/D转换器的构成和特点 ,提出由硬件和软件相结合实现Σ -Δ型A/D转换的新思想 ,并叙述了由PWC318、积分器、比较器和单片机 89C5 2构成Σ -Δ型A/D转换电路的硬件和软件设计。
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关键词:
- Σ-Δ型A/D转换器 /
- 过采样 /
- 数字滤波 /
- 迭加技术 /
- PWC318
Abstract: The paper introduced the construction and characteristics of Σ Δ A/D convertor, proposed a new idea of realizing Σ Δ A/D conversion by combining hardware and software. It also presented hardware and software design of Σ Δ A/D converting circuit with PWC318, integrator, comparator and 89C52.-
Key words:
- Σ-Δ A/D convertor /
- over sampling /
- digital filter /
- addtion technology /
- PWC318
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