[Ask if you don't understand] [1] Why can each RC link in the topology of Figure 5-2 make the signal of the fo frequency lead by 60 degrees, while Figure 5-3 actually makes it lag by 60 degrees? [2] I
[size=4] When designing a simple DCDC circuit, after preliminary calculation, you can start selecting the inductor based on the parameters of the inductor DC resistance (DCR), capacitor rated ripple c
I create multiple buttons in my dialog box, and all the buttons are redrawn. When I return to the dialog box from other interfaces, these buttons are displayed one by one each time, which is very slow