As shown in the picture, the first three are the silk screens on the diodes, and the fourth is the silk screen on the transistor, both of which are SMD packages....
PC encounters development bottleneck and falls into homogeneity and price war 2006-7-13Recently, at the launch ceremony of Lenovo's new commercial computers, Lenovo China President Chen Shaopeng publi...
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Main characteristics of antennas Microwave relay communication belongs to wireless communication mode, and its radio wave transmission and reception are completed by antennas. That is, the signal outp...
For the new year, I have been thinking that I don’t ask for much, as long as it is better than this year, that’s enough.
What about you guys? Any new plans?...