• 微波双极型晶体管中,收集区的厚度影响其截止频率一个重要因素

    The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.

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  • 但是它一个固有缺陷功率晶体管截止期间变压器必须复位因而需要采用附加的复位电路。

    One inherent limitation of the forward converter is that the transformer must be reset during the power transistor off period. Thus, additional reset circuitry has to be used.

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  • 该线电压极性检测电路检测线电压 极性控制驱动电路截止晶体管

    The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.

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  • 该线电压极性检测电路检测线电压 极性控制驱动电路截止晶体管

    The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.

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