负反馈对放大器频率响应的影响再分析 |
| |
引用本文: | 方天申. 负反馈对放大器频率响应的影响再分析[J]. 河南科学, 2003, 21(2): 147-150 |
| |
作者姓名: | 方天申 |
| |
作者单位: | 信阳师范学院,河南,信阳,464000 |
| |
摘 要: | 应用电路分析的方法,导出了单级负反馈放大器上、下限截止频率FHf、fLf的新关系式,说明了方块图法不能体现电路的基尔霍夫定律作用。新关系式能全面直观描述FHf、fLf和电路中所有元件参数之间的关系,更便于理论分析和工程设计,及计算机辅助分析。
|
关 键 词: | 负反馈放大器 频率响应 电路分析 基尔霍夫定律 方块图 |
文章编号: | 1004-3918(2003)02-0147-04 |
修稿时间: | 2002-10-11 |
The influence of the frequency response of amplifier by negative-feedback is restudied |
| |
Abstract: | The new formula of the upper and lower cut off frequency %(f-{Hf}、f-{Lf})% of negative feedback amplifier were abtained by the method of circuit analysis. It can all roundly describ the relation between %f-{Hf}% and %f-{Lf}% and all the circuit parameters. |
| |
Keywords: | negative-feedback amplifier frequency response method of circuit analysis Kirchhoff′slaw |
本文献已被 CNKI 维普 万方数据 等数据库收录! |