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