这指的是数位转换器，它可以让类比电视机接收和播放数位电视讯号。
These would be the digital converter boxes that will enable analog TV sets to receive and display digital TV signals.
我们使用讯号对杂讯和失真比当作设计规格而非讯号杂讯比是因为，讯号对杂讯和失真比是讯号杂讯比和总谐波失真的集合，也是类比数位转换器动态效能完整的测量。
We use SNDR instead of SNR as our specification because SNDR is a combination of the SNR and the THD specifications and it is an overall measure of ADC dynamic performance.
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