a sixth and a seventh NMOS device forming a current mirror, wherein both sources are connected to {HEAD ~ an output voltage} of the boost converter, both gates and a drain of the fifth NMOS device are connected to a first terminal of a second capacitive means and to an anode of a second rectifying means, and the drain of the seventh transistor is connected to a first terminal of a current source and to {TAIL ~ a first terminal} of a flip flop 
a sixth and a seventh NMOS device forming a current mirror , wherein both sources are connected to { HEAD ~ an output voltage } of the boost converter , both gates and a drain of the fifth NMOS device are connected to a first terminal of a second capacitive means and to an anode of a second rectifying means , and the drain of the seventh transistor is connected to a first terminal of a current source and to { TAIL ~ a first terminal } of a flip flop
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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