灯丝电压为行逆程脉冲,所以,用普通万用表交流电压档测量的数值差别很大(主要是频率响应不够)。
灯丝电路供给磁控管直流灯丝电压。
The filament circuit can provide DC filament voltage for the magnetron.
为使阳极电流稳定在合适的区间内，设计了一种利用热敏电阻自动调节中子管灯丝电压的温度补偿电路。
To keep the anode current stable suitably, a temperature compensated circuit based on a thermal resistor to self-regulate the filament voltage has been designed.
通过C8051F040单片机对中子管的灯丝电压、靶压以及阳极脉冲进行控制，使其工作在一个理想状态，是提高仪器测井效率、延长中子管使用寿命的重要手段。
By using C8051F040 SCM to control the neutron tube's filament voltage, the target voltage and the pulse of the anode, the downhole tool can work at an ideal state.
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