The book says that T1 is on and T2 is off during the positive half cycle. My question is that when T1 is on, the voltage across the emitter of T2 is U0>0, so T2 should also be on at this time, so why ...
How can I get the total number of sectors on a hard disk in a win32 console program? API function? Switch to 16-bit mode and call int 13? In addition to createfile(), are there any other ways to direc...
[font=微软雅黑][size=4]The following are the courses on PFC power circuits that the editor has selected for everyone. I hope that after learning, everyone will be able to have a significant improvement in...
:) Students who participate in TI classroom learning: In order to make learning more convenient for everyone, we will update the course at 12:00 noon on June 8 , 2012. Please pay attention to backup w...
The designer has several clocks. Original clock 1, org_clk, has a frequency of 100MHz. Through the frequency division circuit, org_clk is used to generate several clocks, including clock 2, clk_50m, w...