|
|||||
|
|
| 脉冲宽度法测电容及恒流源的选取 | |
| 引用本文： | 艾斌. 脉冲宽度法测电容及恒流源的选取[J]. 物理实验, 2003, 23(6): 9-11 |
| 作者姓名： | 艾斌 |
| 作者单位： | 达县师范高等专科学校物理系,四川,达州,635000 |
| 摘 要： | 阐述了脉冲宽度法测电容的原理，给出了用运算放大器构成精密恒流源的2种电路，简要介绍了Uref的确定方法． |
| 关 键 词： | 脉冲宽度法 电容测量 恒流源 测量原理 测量方法 运算放大器 时间增量 |
| 文章编号： | 1005-4642(2003)06-0009-03 |
Measurement of capacitance by pulse width method and the choice of constant-current source |
|
| AI Bin. Measurement of capacitance by pulse width method and the choice of constant-current source[J]. Physics Experimentation, 2003, 23(6): 9-11 | |
| Authors: | AI Bin |
| Abstract: | The principle of measuring capacitance by pulse width method is elaborated. Two circuits of precision constant-current source made up of operational amplifier. The determination method of U ref is introduced briefly. |
| Keywords: | capacitance measurement pulse width temporal gain constant-current source U ref |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |