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eeworld.com.cn
20 天
使用LM122的1小时定时器
要降低DC到DC电路的辐射发射,可以采取以下几种方法: 地线和电源线的布局: 确保地线和电源线的布局合理,并尽量减少它们之间的距离。使用短而粗的地线和电源线,以减小回路面积和环路面积,从而降低辐射发射。滤波 ... 滤波器的使用:在 DC到DC电路的输入 ...
Healthline
27 天
The Benefits of Circuit Training: Busting Boredom and Getting Fit, Fast
Circuit training involves quickly rotating through a series of exercises targeting different areas of the body. You can do it at the gym, at home, or during an exercise class. Share on Pinterest ...
eeworld.com.cn
1 个月
60Hz时基信号发生电路
该电路与双阳型数字钟配用时,VT1、VT2选用PNP型三极管,如9012、8550等,图中A端接负电源,B端接电源正端。 图3是用60Hz脉冲发生器专用集成电路MM5369(8脚DIP封装)和谐振频率为3.579545的晶振等元件构成的60Hz脉冲发生电路。它常用来与数字钟配套提供60Hz频率。
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