Why is the Purchase Cost of Higher Frequency RF Cable Assemblies Higher?

The higher the frequency of the RF cable assembly, the more difficult it is to design and build, and the higher the production cost of Car Phone FAKRA Connector Factory, which means that buyers need to purchase at a higher cost. What is the reason?

FAKRA Connector

This can be attributed to the laws of physics equations. At these higher frequencies, any theoretical deviation is a harmful factor, even if it is very small. Higher frequency means shorter wavelength, so the size of the cable is smaller, so the tolerance must be closer to the size. Some multi-GHz cables are now only a few millimeters in diameter, which is ten times smaller than low-frequency cables. This situation is intensifying, and many of these cables require mechanical robustness.

Connectors provide a wide range of functions in wireless systems. Some are microscopic, some are macroscopic, some are illuminated, some are charged, and some are RF.

The most important indicator of connectors is to understand how they are connected to the system. The connectors can be integrated into various system components or can be individually connected to the cables at each end. Regardless, each connection requires the same effort to ensure that there are no integrity holes during installation.

Each connector type has a specific set of specifications and attributes. These are like MIL specifications, propagation delay, dielectric constant, characteristic impedance, contact resistance, frequency range, VSWR, rated voltage, etc. Although these specific metrics may not be of interest to every installer, each of these will affect connector performance to some extent. Therefore, a basic understanding of these indicators is essential.

In some of the highest performance applications, subtle changes in cable parameters due to bending, temperature changes, and other "normal" changes will all degrade performance. Some suppliers provide specially designed and manufactured cables to resist these changes, but at a price; in other cases, such as phased array radar systems, the cables must be plugged and unplugged to track and change with temperature.

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