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⑴集成电路引脚的编号顺序,切勿接错;
⑵为适应代换后的IC的特点,与其相连的电路的元件要作相应的改变;
⑶电源电压要与代换后的IC相符,如果原电路中电源电压高,应设法降压;电压低,要看代换IC能否工作。
⑷代换以后要测量IC的静态工作电流,如电流远大于正常值,则说明电路可能产生自激,这时须进行去耦、调整。若增益与原来有所差别,可调整反馈电阻阻值;
⑸代换后IC的输入、输出阻抗要与原电路相匹配;检查其驱动能力。
⑹在改动时要充分利用原电路板上的脚孔和引线,外接引线要求整齐,避免后交叉,以便检查和防止电路自激,特别是防止高频自激;
[7]在通电电源Vcc回路里好再串接一直流电流表,降压电阻阻值由大到小观察集成电路总电流的变化是否正常。
欧姆龙 CJ1W-DRM21 模块资讯
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XWT-ID08R88M-G5K020H-S2-Z
DRT2-OD08R88M-G5K020H-Z
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3G3MX2-A4040-Z -CHR88M-G5K020T-S2-Z
E2G-M18KS07-M1-D1-TR88M-G5K020T-Z
G2R-1-SN DC24(S)R88M-G5K030H-BOS2-Z
G2R-1-SND DC24(S)R88M-G5K030H-BO-Z
G2R-2-SND DC24(S)R88M-G5K030H-BS2-Z
G2R-2-SN AC220(S)R88M-G5K030H-B-Z
G2R-1-SN DC24(S) R88M-G5K030H-OS2-Z
G2R-1-SND DC24(S) R88M-G5K030H-O-Z
G2R-2-SND DC24(S) R88M-G5K030H-S2-Z
G2R-2-SN AC220(S) R88M-G5K030H-Z
P2RF-08-ER88M-G5K030T-BOS2-Z
P2RF-05-ER88M-G5K030T-BO-Z
欧姆龙 CJ1W-DRM21 模块资讯
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欧姆龙 CJ1W-DRM21 模块资讯
越多的利润就意味着会有越多的资金涌入,但是同样的投资商纷涌而至的行业也就说明行业竞争会很大,中国的医疗器械行业就是一个很好的例子。在中国,医疗器械行业的发展正处于如日中天的地位,但是来自国内国外的竞争压力都很大,要想在竞争如此残酷的行业中站稳