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High frequency PCB with Rogers material or other high frequency materials
The complexity of electronic components and switches continues to increase, and there is a constant need for faster signal flow, thereby increasing the transmission frequency. Due to the short rise time of the pulse of electronic components, it is also necessary for high-frequency technology to regard the conductor width as an electronic component.
Depending on the various parameters, high-frequency signals are reflected to the circuit board, which means that the impedance (dynamic resistance) varies with the transmission components. In order to prevent this capacitive effect, all parameters must be specified, and process control is implemented.
The key to high-frequency circuit board impedance is mainly the track geometry of the conductor, the stacking of layers and the dielectric constant of the material.
