We has brought forward a new method of analysing amplifiercurrent path, and has got the equation of Alternating load line directly.
文章提出了一种新的分析放大器电流通路的方法，并由此直接得到了交流负载线方程。
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It must be set up suitable quiescent point in order to works in linear region. This decides that the analysis of amplifier includes direct current analysis and alternating current analysis.