negative-feedback amplifier

基本解釋

The input and output resistances of a negative-feedback amplifier is calculated by analytic method.
根據(jù)電路原理，應(yīng)用解析方法導(dǎo)出了四種形式負(fù)反饋放大器的輸入、輸出電阻關(guān)系式。
At the power output, OCL complementally and symmetrical power amplifier is adapted. The output sine voltage becomes smooth and stable by adding voltage-negative-feedback to power amplifier.
在功率輸出級(jí)采用OCL互補(bǔ)對(duì)稱功率放大電路，并對(duì)該功放電路增加電壓負(fù)反饋，使得輸出的正弦電壓信號(hào)平滑而穩(wěn)定。
The article analyzes the frequency characteristics of RC series parallel circuits and the symmetrical circuits, through studying the effectiveness of the positive-negative feedback to the amplifier.
從正、負(fù)反饋對(duì)放大器性能影響出發(fā)，分析RC串、并聯(lián)電路及其對(duì)偶電路的頻率特性。