Knowledge Base

Introduction In electrical circuits, rectifiers are pivotal factors that transform alternating current(AC) into direct current(DC). A rectifier is basically an...

HQ NextPCB is proud to announce the release of HQDFM Online Gerber Viewer and DFM Analysis Tool, free for everyone....

Ground waves are radio waves propagating parallel to and adjacent to the surface of the Earth, following the curvature of...

Radio waves are a type of electromagnetic radiation with the longest wavelengths in the electromagnetic spectrum, typically with frequencies of...

It lies between the super high-frequency band and the far infrared band, the lower part of which is the terahertz...

Microwaves are a portion or "band" found at the higher frequency end of the radio spectrum, but they are commonly...

Radio waves are a type of electromagnetic radiation best known for their use in communication technologies, such as television, mobile...

Wave Wave refers to a propagating dynamic disturbance that deviates from equilibrium. In many cases, a wave can be described...

Coaxial cable is a type of transmission line, used to carry high-frequency electrical signals with low losses. It is used...

Voltage standing wave ratio (VSWR) is defined as the ratio between transmitted and reflected voltage standing waves in a radio...