For example, the RF signal is -590M----610M. After down-conversion, it becomes a baseband signal of -10M---10M. After AD conversion, can the negative frequency here be sampled by A/DC? In other words,...
Could anyone help me explain the file lmi_fs.c in the LM3S9B96 example program? Where are the functions in this file called? How can I change it?
In the given nent_io example, I only want to use the h...
Does anyone know how a mobile phone or netbook accesses the Internet? I mean, how does a mobile phone access the Internet through the operator's wireless network? For example, how does my 3230 mobile ...
I recently encountered a tricky problem. I need to burn the program into the stm32w108 chip. In the past, I used Jlink to burn it in the IAR development environment during debugging. I can't do it thi...
[size=14px]I recently bought a second-hand Kenwood KAC-729S two-way amplifier. Now I use it to bridge a subwoofer. The amplifier does not have a low-pass frequency adjustment. The bass circuit is fixe...