Testing system, in which DSP is the part of core and CPLD is as peripheral circuit, controls operation parts, and test or incept the digital signal, analog signals and switch signals from exterior.

测试系统中采用了以数字信号处理器为核心，以复杂可编程逻辑器件为外围电路，来控制执行部件和测试与接收由外部返回的数字信号、模拟信号和开关信号。

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The periphery output control system is composed of analog peripheral device such as LED, relay, digital switch etc, to control the other weak-current devices and general heavy-current devices.

外围输出控制系统由发光二极管、继电器、数字开关等模拟外围设备，控制其它的弱电设备和一般的强电设备。

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Abstrct: the electrical parameters Tester through AT89C51 SCM as a core element of control by the analog switch HCF4051 constitute a range digital multimeter.

本电参数测试仪通过AT 89 C 51单片机作为核心的控制元件，由模拟开关hcf 4051构成自动量程数字万用表。

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The analog-to-digital switch was actually mandated by an act of Congress in 2005 and signed into law early last year.

FORBES: The Switch To Digital

In the face of record deficits, ballooning entitlement costs and an indefinite war, the government plans to subsidize part of the analog-to-digital switch.

FORBES: The Switch To Digital

While developed markets have not only introduced digital terrestrial and largely completed analog switch-off, a second generation of digital broadcast (DVB-T2) is now being adopted in Europe, the Middle East and Asia.

FORBES: Connect