The invention relates to a soldering tin furnace part, in particular to a tin wave generating device on a soldering tin furnace.
本发明涉及焊锡炉部件，尤其是一种焊锡炉上的锡波发生器。
A rectangular wave generating circuit has been designed with MOSFETs, half bridge driver chip LM27222 and gate drive transformer.
利用MOS管、半桥驱动芯片LM27222、栅极驱动变压器等器件，设计了变极性矩形波发生电路。
Negative feedback has been widely used in amplify circuit, but in wave-generating and wave-transforming circuit, it should adopt positive feedback.
在放大电路中采用负反馈，而在波形产生和波形变换的电路中则需要采用正反馈。
Negative feedback has been widely used in amplify circuit, but in wave-generating and wave-transforming circuit, it should adopt positive feedback.
在放大电路中采用负反馈，而在波形产生和波形变换的电路中则需要采用正反馈。
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