DocID026803 Rev 1

11/29

AN4569

2.1-channel application using one device

29

2.1.6

EMI filter

Figure 7. Schematic for EMI filter section

The purpose of the EMI filter is to avoid radiated emission. It is composed of two 1 nF

capacitors that must be connected to GND. The values of these capacitors must be trimmed

in the application.

2.1.7

DC cut

Figure 8. Principle schematic for DC cut section

Figure 9. Schematic for DC cut section