珠海收购电子库存上门收购

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u4s0701at-733-00c
u4s0701at-737-00c
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u4s0701at-763-00c
u4s0701at-780-00c
u4s0701at-782-00c
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u4s0701at-793-00c
u4s0701at-806-00c
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u4s0701-1950-00c为了进一步理解电路工作原理，在看图分析时可以采用直流等效电路法、交流等效电路法，对电路进行静态、动态分析。直流等效电路法就是在输入信号为零时，各级放大电路在直流电源作用下的工作状态，实际上就是找出直流通路，确定各级电路在静态时的偏置电流和电压。交流等效电路法就是在输入信号不为零时，确定电路的交流信号通路及工作状态。应当注意的是，在采用等效电路法分析是，要根据元器件性质给予特别处理。如电路中含有电容、电感这两种元件时，电容具有“隔直通交”的作用，电感具有“隔交通直”的作用。