In a preferred embodiment the rectification function may be carried out by diodes and {TAIL ~ low pass filtering} may be provided by {HEAD ~ respective resistor capacitor pairs} 
In a preferred embodiment the rectification function may be carried out by diodes and { TAIL ~ low pass filtering } may be provided by { HEAD ~ respective resistor capacitor pairs }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD