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1·This may explain certain subjective characteristics of PDM DACs that otherwise cannot be rationalized.

这也许可以解释某些PDM的数模转换器，否则不能合理化主观特征。

2·Using just two inverters for glue logic , an 8-bit microcontroller and two 12-bit DACs enable 256-level QAM.

仅使用两个转换器形成胶连逻辑，一个8位微处理器和两个12位DAC实现256级QAM。

3·Part 2 explains how ADCs and DACs introduce noise through quantization errors, offset errors, and other DC errors.

第2部分解释adc和DAC如何通过量子化误差、偏移误差和其它DC误差产生噪声。

4·If you are driving long cables, or are driving several DACs (parallel DAC for example), it is good practice to buffer the data signal.

如果你用长电缆，或驱动(例如并行DAC)几个数模转换器，对于缓冲区中的数据信号它是很好的做法。

5·On a final note, I will say that the Purepiper is receptive to power cord changes and the tone of it like may dacs can be tuned if you will by swapping cords.

到了接近尾声，我可以确定纯笛对电源线蛮敏感，音色能随不同的电源线而改变。

6·Since the 1970s a microprocessor, the use of microprocessors, ADC and DACs, hardware and software to expand the functions of the signal generator, a more complex waveforms.

自从70年代微处理器出现以后，利用微处理器、模数转换器和数模转换器，硬件和软件使信号发生器的功能扩大，产生比较复杂的波形。

7·Finally, it dwells on the design and invoke of USB device's driver program. Furthermore, the functions and purposes of the DACS and communication board's panel are introduced simply.

最后，详细地讨论了USB设备驱动程序的设计和调用，并简单地介绍了数据采集和控制系统的控制面板以及USB与串口通信板的控制面板的设计、作用和功能。