In order to ensure the circuit performance, electromagnetic compatibility should be considered when designing the RF circuit PCB. Therefore, the layout principles of components are discussed in detail...
With the rapid development of the PC industry, the industry is replacing traditional solutions. In the past three decades, the development of industrial control, testing and automation has been domina...
1 Overview
In recent years, mobile communications have been rapidly developed and popularized in my country, and the transmitter and receiver technologies of wireless communications have also develope...
1. Introduction At present, the outdoor unit, access control video intercom and access control of mature smart home systems almost all use analog signals. When installing, a dedicated network needs to...
Sometimes, on the monitor screen, there will be several equally spaced vertical lines. The frequency of this interference signal is basically an integer multiple of the line frequency. If you use an o...