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DDS的基本原理已在上一篇文章中作了介绍。本篇叙述利用 DDS技术设计的一些实用电路以及在通信产品中的应用。着重分析DDS/PLL 频率合成器的构成及其性能,为频率合成提供了一条新的途径。
The basic principles of DDS have been introduced in the previous article. This article describes some practical circuits designed using DDS technology and their applications in communications products. The analysis of the structure and performance of the DDS / PLL frequency synthesizer provides a new approach for frequency synthesis.