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by Angela

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Categories: News

by Angela

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New Catalogue

If you are a newcomer in the RF industry, it must be difficult to distinguish VSWR and return loss. The following is a comparison table of VSWR and return loss.

 

  • What is VSWR

VSWR ( (Voltage Standing Wave Ratio)is defined as the ratio of the maximum voltage to the minimum voltage in standing wave pattern along the length of a transmission line structure. It varies from 1 to (plus) infinity and is always positive. Unless you have a piece of slotted line-test equipment this is a hard definition to use, especially since the concept of voltage in a microwave structure has many interpretations.

  • What is Return loss (RL) 

Return loss (RL) is the ratio of the reflected power to the incident power, in decibels (dB).

  • The Comparison table of VSWR and Return Loss

 

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