A data channel on which the information transmitted can take any value between the limits defined by the channel. Voice - grade channels are analog channels.

一种数据信道，其传输的信息可取该信道规定界限内的任何值。话音信道就是模拟信道。

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This paper presented an analog to digital convert system based on AD1674, and introduced the hardware and software of the analog input channel, signal process and data display.

本文详细介绍了基于AD 1674的数据采集系统，对系统中的信号输入通道、信号处理、数据显示等从硬件和软件两个方面进行了阐述。

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This example shows how to capture a single channel analog inputs, analog (ADC) will be converted to analog data and the data transferred by DMA to memory.

本例展示了如何采集单个通道的模拟输入，通过模数转换器(adc)将模拟量转化为数据，并通过DMA把数据转移到内存中。

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