ZJL801纳伏电压标准装置频率特性分析  

Analysis of the Frequency Characteristic of ZJL801 Voltage Standard Device

作　　者：彭先洪[1] 张磊[1] 梁国杰[1] 刘磊[1] 

机构地区：[1]中国人民解放军92601部队

出　　处：《计测技术》2010年第3期5-8,共4页Metrology & Measurement Technology

摘　　要：针对低频超小电压计量测试设备的工作频率范围不宽和测量精度不高的问题,经过电子元器件及相关部件的频率特性分析与试验,确定了相关电容器的性能是影响仪器频率特性的关键。通过采用制作优质精密电容器,设计前置放大器、测量电路、连接电路、衰减器和校准信号源的频率特性及计算机数据处理等多种方法扩展了设备的工作频率,提高了测量精度,改善了频率特性。To the question that the frequency range is not wide and the measuring precision is not high for the ultra-small low-frequency voltage testing equipment,it is determined that the capability of relevant capacitor is the key to impact the frequency characteristic of the device by analyzing the frequency characteristic and making experiments on the electronic components and related parts.The device uses high-quality precision capacitor,pre-amplifier,measuring circuit,connecting circuits,attenuators,design of frequency characteristic of standard signal source and computer data processing to expand the operating frequency,improve the measuring precision and frequency characteristic.

关 键 词：标准装置 频率特性 数据处理 测量精度 

分 类 号：TB971[一般工业技术—计量学]