{HEAD ~ the first power supply} supplies {TAIL ~ a first power supply voltage} obtained by adding a voltage corresponding to a forward voltage drop of the first and third diodes to the first predetermined voltage, and 
{ HEAD ~ the first power supply } supplies { TAIL ~ a first power supply voltage } obtained by adding a voltage corresponding to a forward voltage drop of the first and third diodes to the first predetermined voltage , and
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH