18.104.22.168 Parallel Bridge-Tied Load, Post-Filter
The following diagram shows an application using post-filter PBTL, which requires four inductors. The positive and negative output current are shared between two inductors.
- SPK_OUTA+, SPK_OUTA-, SPK_OUTB+ and SPK_OUTB- are each connected to LFILTER first.
- The speaker side of the inductors are connected A+ and B+ and A- and B-. See diagram below.
Figure 124. Post-Filter Parallel Bridge-Tied Load (PBTL) Application Diagram