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本文所提出的图解法,不仅能避免使用令人厌烦的试探计祘,并且能规定出电路元件的选用范围,以便获得最隹的设计结果。在设计图1所示的开关电路时,因为在两个方程式中有三个未知量,所以在求代数解答时,要用到冗长的试探计算。虽然在经过几次试探后,可以得到一合适的解答,但这时并不能确定是否已获得了最佳的设计。本文所提出的一种图解法,它不仅能够节约时间,并且能规定出每一电阻的选用范围。
The proposed method not only avoids the use of boring heuristic, but also specifies the range of circuit components used in order to obtain the best design results. When designing the switching circuit shown in Figure 1, because there are three unknowns in the two equations, lengthy heuristic calculations are required when solving algebraic solutions. Although after a few tests, you can get a suitable answer, but at this time is not sure whether the best design has been obtained. This paper presents a graphical method, which not only saves time, and can specify the scope of each resistor selection.