What is the high frequency circuit board?

High frequency circuit is a special circuit board with high electromagnetic frequency. It is used for PCB with high frequency (frequency greater than 300MHZ or wavelength less than 1m) and microwave (frequency greater than 3GHZ or wavelength less than 0.1m). It is a part of the process of using a conventional rigid circuit board on a microwave copper clad laminate or a circuit board produced by a special treatment method.

It is a circuit board produced by a partial process of a conventional rigid circuit board manufacturing method on a microwave copper clad board or by a special processing method.

Its physical properties, precision, and technical parameters are very high, and it is often used in automotive anti-collision systems, satellite systems, radio systems and other fields.

The copper clad laminate(CCL) needs to have excellent electrical properties, good chemical stability, and the loss is very small as the frequency of the power signal increases, so the CCL of the high frequency is very important.