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AN4511

The main parameters

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Figure 11. Typical common mode rejection response of ECFM02-2HSMX6 (USB3.0

dedicated device)

lower the attenuation, the better the bandwidth. This parameter is measured at -3dB (see

Figure 12).

Figure 12. Typical differential mode attenuation (ECMF04-4HSM10)

The right filter bandwidth has to be chosen, therefore the filter should pass the eye diagram

template of the standard. Figure 13 shows the eye diagram of a device dedicated to HDMI

filtering application. This device works up to 3.35 Gbps.