功率管是在放大电路中担任末级输出的管子。
像你这种情况可首先检查保险是否完好，全桥堆是否损坏，IGBT（功率管）是否击穿，滤波电容等是否损坏，还有就是脉宽调制电路是否有问题，特别是前面那几个大功率元器件，在损坏更换后不要急于上电，最...
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束射功率管 beam power tube ; beam power valve ; [电子] novar ; order power tube
功率管理 [电] power management ; Pwr Mgt
电子束功率管 [电子] beam power tube ; beam power valve ; tube
小功率管 low power tube
电子功率管 electron power tube
动态功率管理 dynamic power management ; DPM
大功率管 high power valve
锗功率管 germanium power transistor
综合功率管理器 integrated power management unit
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加热器可根据用户的要求设计成双功率管和单功率管。
Heater can be designed into double power tubes and single power tube according to the customers request.
由于其自身的结构与封装形式，塑封双极型功率管存在很多可靠性问题。
Plastic capsulation power bipolar transistor exists many reliability problems due to the structure and package style.
该电路具有既能将负载电流限制在设定值以内，又能控制限流工作时功率管的开关频率等特点。
This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
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