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单词 Digital to Analog
释义

Digital to Analog

原声例句
科学60秒 2017年11月合集

One, the test unit skips digital to analog conversion.

首先,试验装置跳过了数模转换。

英语百科

Digital-to-analog converter

8-channel Cirrus Logic CS4382 digital-to-analog converter, as used in a soundcard.
Ideally sampled signal.
Piecewise constant output of an idealized DAC lacking a reconstruction filter.  In a practical DAC, a filter or the finite bandwidth of the device smooths out the step response into a continuous curve.
Top-loading CD player and external digital-to-analog converter.

In electronics, a digital-to-analog converter (DAC, D/A, D–A, D2A, or D-to-A) is a function that converts digital data (usually binary) into an analog signal (current, voltage, or electric charge). An analog-to-digital converter (ADC) performs the reverse function. Unlike analog signals, digital data can be transmitted, manipulated, and stored without degradation, albeit with more complex equipment. But a DAC is needed to convert the digital signal to analog to drive an earphone or loudspeaker amplifier in order to produce sound (analog air pressure waves).

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