At 14:00 on the 5th, the C919, a new generation of large-scale jet passenger aircraft with complete independent intellectual property rights in China, successfully took off on the 4th runway of Pudong International Airport! My country is amazing!

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Summary:

Way of working

The figure design uses TOP247YN and applies many features of TOPSwi tch-GX. Line voltages UV and OV (100 V and 450 V each) are implemented with a 2 MΩ resistor (R1). Undervoltage eliminates output jitter on/off, and overvoltage provides protectio…

At 2 o'clock in the afternoon of April 27th, 360 Secure Routing held a 2017 new product launch conference at the Beijing China Film Directors Center. 360 secure routing 2 Gigabit officially unveiled. As the first true Gigabit router built by 360 Secure Routing, 360…