[i=s]This post was last edited by youki12345 on 2014-8-6 13:33[/i] [size=3] I have seen in the previous posts that some friends encountered hardware problems during the development process and could n...
As the title says. The battery voltage will gradually decrease, so the accuracy cannot be guaranteed. I thought about LM385, but it seems that the input 3V is too low. The accuracy of the voltage regu...
I would like to ask the experts in the forum to explain the parameters of some radios . Please try to be as detailed as possible, thank you. Frequency range, IF noise limit, sensitivity, lock station ...
[color=#000][font=verdana, sans-serif][size=4][b]1. What is a frequency converter? [/b][/size][/font][/color] [color=#000][font=verdana, sans-serif] 1. A variable-frequency drive (VFD) is a power cont...