Picor-QPI5L QPI-5 QUIETPOWER 14 A Active EMI Filter for 24 Vdc Bus Description Features The QPI-5 active EMI filter attenuates conducted >60 dB CM attenuation at 250 kHz common-mode (CM) and differential-mode (DM) noise >80 dB DM attenuation at 250 kHz over the CISPR22 frequency range of 150 kHz to 40 Vdc (max i……