Not long after I bought a smartphone, I feel that there is not enough space every day. . .
So, I clean up the garbage every day...
Still not enough, just delete some software...
It’s still not enough,
1. Mission
Design and manufacture a signal modulation measurement device, which measures and displays the modulation parameters of the measured signal output by the signal source, identifies and displ
As shown in the picture, what are the functions of the two capacitors in the red box?
Improve the common mode rejection ratio of high frequency noise? . .
After a long wait, the competition materials were shipped across the ocean from the United States.
However, due to the epidemic, it was left for a week before being unpacked.
There are three materials