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- 功率开关管的集电极是一个强干扰源,开关管的散热片应接到开关管的发射极上,以确保集电极与散热片之间由于分布电容而产生的电流流入主电路中。为减少散热片和机壳的分布电容,散热片应尽量远离机壳,如有条件的话,可采用有屏蔽措施的开关管散热片。-power switch of the collector is a strong source of interference, the switch of the Thermal unit received should switch emitter, to e
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- 用于计算二维稳态等温边界条件下的温度分布场,其中含有空间场的网格划分-to compute the temperature distribution of 2-d steady heat conduction of constant teperature boundary