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