This peak is fed back to {HEAD ~ the input voltage UE} via {TAIL ~ the first capacitor C1} and the first diode D1  
via
This peak is fed back to { HEAD ~ the input voltage UE } via { TAIL ~ the first capacitor C1 } and the first diode D1
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH