{HEAD ~ The output} of the transformer is rectified by {TAIL ~ a diode} and then filtered by a large capacitor 
{ HEAD ~ The output } of the transformer is rectified by { TAIL ~ a diode } and then filtered by a large capacitor
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH