Return loss, also known as reflection loss, is the reflection of the cable link due to impedance mismatch, and it is the reflection of a pair of lines themselves. Mismatch mainly occurs in the place of the connector, but it can also occur in the place where the characteristic impedance changes in the cable, so the quality of construction is the key to improve the return loss of quality rf cable assemblies from China manufacturer.

　　There are three measures to improve the return loss (RL) of quality rf cable assemblies from China manufacturer:

　　1.quality rf cable assemblies from China manufacturer to improve concentricity

　　In the insulation series production process, the diameter tolerance of the copper conductor is required to be within ±0.002mm, and the deviation of the outer diameter of the insulation is within ±0.01mm. The concentricity is above 96%, and the surface is smooth and round.

　　2.quality rf cable assemblies from China manufacturer composite technology

　　Using a certain proportion of "pre-twisting" or "back-twisting" technology can eliminate the influence of the eccentricity of the insulated single wire on the characteristic impedance, and at the same time reduce the requirement for the concentricity of the insulated single wire. The cross-shaped plastic skeleton can maintain the stability of the cable structure, smooth the change of characteristic impedance caused by the unevenness of the single line, and make the performance of near-end crosstalk and return loss quite good at high frequencies.

　　3.quality rf cable assemblies from China manufacturer adopt bonded pair technology

　　Bonded wire pair technology refers to the use of two extruders and one head for co-extrusion to simultaneously extrude two insulated core wires of the same wire pair to bond them together.