Analog to digital Converter is the interface of analog and digital circuit; it's an necessary part in the portable system.

模数转换器是模拟电路和数字电路的接口，是手持终端中不可缺少的组成部分。

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As a special interface connected with analog and digital circuits, high performance analog-to-digital converter is much more important in whole system design.

作为模拟电路与数字电路的接口电路，高性能的模数转换器对整个设计系统的实现非常重要。

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The output of the sample-and-hold system now goes into an analog-to-digital converter .

取样和保持系统的输出现在又进入一个模数转换器。

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Only a few of these modular components have been designed so far: the AVR-X (an Arduino-compatible microcontroller), FRAM-X (512 byte chunks of stackable Ferroelectric RAM) and ADC-X (an 8-channel analog to digital converter).

ENGADGET: Insert Coin: BoardX is an open-source, modular motherboard for prolific prototypers

Pixim's innovation is to give each pixel its own analog-to-digital converter so that photons are continuously converted to ones and zeros and the camera's microprocessor can tell exactly how fast each pixel is filling up relative to the other pixels.

FORBES: Sensitive Sensor

Those charges are funneled en masse through a single analog-to-digital converter, which outputs each pixel's value in ones and zeros.

FORBES: Sensitive Sensor