Transcription of 2. コモンモードノーマルモード変換 - rfd-lab.com
1 2. EMC PCB PCB 2-1 BCI ECU ECU IC 2012 RFD-Lab / BCI Zc1 Zc2 e1 (vc1-vc2=0) e1 (vc1-vc2=0) Zc1 Zc2 Zc1=Zc2 e1 (vc1-vc2=0) Zc1 Zc2 vc1-vc2 0 Zc1 Zc2 vc1-vc2 0 Zc1 Zc2 Zn 4 2-3 ECU PCB PCB Revision1 2012 RFD-Lab / 5m
2 Cable Z0=200+j0 Z0=200+j0L1=5mL2=5m+ 5cm,10cm,15cm,20cm (dB ) 2 180 5m 5cm 1% 1GH 0dB +20cm ( ) 1% 1GH 0dB +5cm +10cm +15cm +5cm Revision1 2012 RFD-Lab / LPF ECU LPF1 LPF LPF1Fc=200 MHz3 OrderMaximum FlatZo=50+j0 LPF2Fc=400 MHzMaximum FlatZo=50+j0 (dB ) LPF1 200 MHz ( )LPF1 LPF2 l(s21-s43)
3 L Revision1 2012 RFD-Lab / 200MH PCB 3rdLPF3rdLPF 200MH PCB Simulated by Ansoft DesignerSimulated by Ansoft Designer3rdLPF PCB PCB: FR4 t= 5 5mmZ0=50 Simulated by HFSS PCB 1 GHz Simulated by HFSS PCB GND Revision1 2012 RFD-Lab /
