自制多用精密库仑仪  

A multifunctional accurate Coulomb meter made by oneself

作　　者：张兴堂[1] 孙乘风[1] 郭新勇[1] 杜祖亮[1] 

机构地区：[1]河南大学特种功能材料重点实验室,河南开封475001

出　　处：《现代仪器》2005年第2期36-37,共2页Modern Instruments

摘　　要：介绍一种精度高、性能好、功能多、成本低的多功能精密库仑仪 ,介绍电路工作原理和制作要点。由BIMOS型运放和VMOS场效应晶体管的巧妙配合 ,使仪器具有很高的精度和很好的性能。采用多功能电子表使仪器便于自制。A kind of higher precision, finer property, lower cost and multifunctional accurate Coulomb meter has been provided, both the operation principle of the circuitry and the significant in the circuitry design are introduced in detail. Through the ingenious cooperation of BIMOS OP amplifier and VMOS FET(filed effect transistor), making the instrument have higher precision and better performance. Adopting the multi-functional electronic meter make the instrument easy to be fabricated in home.

关 键 词：库仑仪 精密 自制 MOS场效应晶体管 多用 电路工作原理 多功能电子表 制作要点 MOS型 成本低 精度 性能 运放 

分 类 号：TN32[电子电信—物理电子学] TQ056.16[化学工程]