GREATPCB

The internal resistance testing is actually quite similar to the AC impedance testing method. The principle is essentially based on the volt-ampere method, which means calculating the impedance by dividing […]

In the PCB reverse engineering process, sometimes the film may deform due to failure of temperature and humidity control or excessive heat rise in the exposure machine. If the process […]

One crucial rule in PCB design that cannot be emphasized enough is: Never route signals across split planes. This principle has been stressed in many PCB design tutorials, but unfortunately, […]

Integrated circuits (ICs) integrate pre-designed electronic circuits onto a silicon substrate, combining thousands or even millions of transistors on a single chip. This innovation has driven the miniaturization of electronic […]

Overview In digital circuits, both sending and receiving data require a clock reference. Data can be sampled on the rising edge, falling edge, or both the rising and falling edges […]

Some devices use a component that sounds very impressive—IGBT (Insulated Gate Bipolar Transistor). From high-speed trains and electric vehicles to small appliances like air conditioners and induction cookers, it’s commonly […]