Frequently Asked Questions

Is re-clocking the same as USB signal integrity regeneration?

Question: Is re-clocking the same as USB signal integrity regeneration? Are both of these done twice in the iGalvanic3.0? Or just re-clocking is done twice?

Answer: USB signal integrity contains a number of factors, jitter is one, signal rise-time, signal level and signal balance between the two wires are other factors and excessive ripple from reflection within the cable is yet another factor to impact signal integrity, potentially enough for data corruption (which is not corrected in isochronous streaming mode).

Impacts on signal integrity are produced by among others (an exhaustive list would be challenging) by cable impedance mismatch, impedance mismatch at connectors, electrical fields from nearby cables and transmitters and not the least isolation devices.

In iFi's USB products that incorporate the Reclock / Regenerate / Rebalance technology all of these factors are addressed comprehensively and signal integrity is restored to "close to ideal".

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