Many practical amplifiers chain together a series of analog amplifier stages to obtain a high overall voltage gain.

许多实际的放大器将多个放大器级联起来，以获得较高的电压增益。

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Finally, analyse and compare digital and analog amplifier power amplifier through experiment. Do some Specific analysis of the various characteristics of digital power amplifier.

最后，通过试验分析对比了数字功率放大器和模拟功率放大器，具体分析了数字功率放大器的各种特性。

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The traditional power meter calibrating system usually has the shortcomings of low efficiency and large volume due to its standard voltage and current source rely on the analog amplifier.

传统的电力校表台由模拟功放向待校电表及标准表提供校表电流，造成系统效率低、体积大、重量重。

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Case in point: the Icon iDo integrated digital-to-analog converter (also called a DAC) and integrated amplifier is geared specifically toward Apple portable devices like the iPhone and iPad.

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But, it will at least sound good, with a 25 watt amplifier built in for those who want to go analog, perfect for those Triad speakers.

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