Communication in the USB 2.0 and USB 3.0 modes was initiated between a PC and hard drive and, in an environment complying with the CISPR25 standard, the noise radiated from the USB cables was evaluated.
As a result, the following was verified when the BLM31PG601SH1was inserted into the power line:
The noise during USB 2.0 communication was reduced by:
The noise during USB 3.0 communication was reduced by approx. 9 dB (at a vertically polarized wave frequency of 111MHz).