Cable attenuation generally depends on frequency, length and construction. Use the cable assembly's measured or specified loss for the actual band.
How it works in practice
Connector losses and adapters also contribute. Do not assume a single loss figure applies equally across frequencies. Include operating temperature and installation constraints where the specifications require them. A short, low-loss cable can still have poor match if its connectors are damaged.
Example and interpretation
If loss is specified as 0.5 dB/m at one frequency, a 2 m length contributes approximately 1 dB there before connector effects.
Checks before use
- Use frequency-specific data
- Measure complete assemblies
- Account for connectors
- Check bend and environmental limits
Important limit
A low-frequency loss figure cannot be assumed at the top of the band.
Related Centron RF product
N-type fixed attenuator for a compatible RF path. Use a product page to check both connector interfaces, nominal impedance and model-specific band and power requirements. The connector family alone cannot establish a component’s total RF capability.
Further reading
Rohde & Schwarz: Impedance, VSWR and Return Loss. This background reference explains general principles; the selected Centron RF model’s datasheet governs its own ratings.
Related guides
Educational guide. Numerical examples use the stated assumptions and are not test results for a supplied unit.