Printed circuit boards are a very important part of modern electronic equipment. PCB is an acronym for printed circuit board. A basic PCB circuit consists of a large number of passive and active components.

TWS has seized the market from design and user pain points in recent years, but with the improvement of technology, high-resolution sound quality, extended battery life and low latency have become a new round of user concerns.

StrongFirst has extended the family of N22 5G cellular band pass filters.

Now there are more and more wireless charging products in our lives, such as smart phones, smart watches, bracelets, sweeping robots, service robots, and cars, all of which have wireless charging functions.

PCB boards have single-sided, double-sided and multilayer, of which there is no limit to the number of layers, there are already more than 100 layers of PCBs, while the common multilayer PCB is four and six-layer board.