Just like an old policeman can tell who has "three hands" on a bus at a glance, an experienced repair shop clerk can also tell whether you are a rookie from your words and deeds. Mr. Liu bought his ca
There are many different types of simulation software on the market, all of which are helpful to PCB designers. Each tool has its own capabilities and limitations, and understanding their basic charac
I am working on a simplex wireless calling system. The receiving part is made of cxa1238s. The FM signal input to it is a carrier frequency of 30MHz and a modulation signal of 330KHz. The waveform mea
1 This article summarizes the process of debugging the AD7606 module, the problems encountered and the solutions. The main problems occurred in the hardware welding, including welding chips, surface m