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1·The design of interface circuit between LVDT sensor and AD698 in data sample circuit, and method of calculating some parameter were analysed.

基于该方法设计了柱体直径测量仪，分析了数据采集电路中LVDT传感器与LVDT信号调理芯片AD698的接口电路，以及相关参数的确定方法。

2·The sample circuit samples an output of the decay circuit at a sample time after the decay circuit receives the pulse for the most significant digit.

采样电路在衰减电路接收到用于最高有效数字的脉冲之后的采样时间对衰减电路的输出进行采样。

3·The pulse width modulate circuit, drive circuit, sample circuit, protecting circuit and parameters preset and display circuit are respectively analyzed.

研究中讨论了脉宽调制电路、驱动电路、恒值采样反馈电路、保护电路、参数预置与显示电路的组成及工作原理。

4·The design of hardware circuit is introduced, include DC-DC main circuit, DC-DCs sample circuit, DC-AC main circuit and DC-AC's sample circuit, and so on.

本文首先给出了一个整体的设计方案及其工作原理，并介绍了各个部分硬件电路的实现，包括DC-DC主电路、DC-DC的采样与给定、DC-AC的主电路以及DC-AC的驱动与采样等。

5·Compared to conventional ways of multiplier, this way has the advantages of bigger output power of higher harmonic, the sample circuit structure, debug easily, and so on.

本方法同传统方法相比，具有高次谐波输出功率大、电路结构简单、调试容易等优点。

6·A new sample circuit is proposed in this paper to improve the properties of gas sensor, and the properties of sample circuits are analysed theoretically and compared experimentally.

提出了一种能改善气敏元件性能的新型取样电路，并对取样电路的特性作了理论分析和实验对比。

7·The design of the single chip system, sample box thermostat circuit, sample position detecting circuit and step motor control circuit are discussed.

着重讨论了单片机系统、样品箱恒温电路、样品位置检测电路和步进电机控制电路的设计。

8·The entire drive circuit has characteristics of sample construction, powerful drive energy and low consumed power by using IR2110 as the drive modular.

采用IR 2110作为该功率放大电路的驱动模块，构成的整个驱动电路具有结构简单、驱动能力强、功耗低的特点。

9·And then, designed hardware circuit and software flow, realized a sample using TMS320F2812 DSP as kernel controller.

最后，设计了变换器的硬件电路和软件流程。实现了以TMS320F 2812 DSP芯片为控制核心的样机。

10·Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.

通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样，后经DSP A/D转换模块与反压设定值进行比较。