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有的扩音机滤波器输出端接有一只与负载相并联的固定电阻,叫泄放电阻,如图1、2中R所示。泄放电阻R的作用有以下三点:
Some amplifier filter output is connected with a load in parallel with the fixed resistance, called the discharge resistor, as shown in Figure 1,2 R. The role of bleeder resistor R has the following three points: