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.
本发明提出了一种高效电子镇流器，由整流滤波电路、高频逆变电路、功率调节电路及灯丝预热电路组成。
The efficient electronic ballast is composed of rectifier-filter circuit, high-frequency inverse transforming circuit, power regulation circuit and filament preheating circuit.
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