a sixth and a seventh NMOS device forming a current mirror, wherein both sources are connected to 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 {HEAD ~ a first terminal} of {TAIL ~ a flip flop} 
a sixth and a seventh NMOS device forming a current mirror , wherein both sources are connected to 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 { HEAD ~ a first terminal } of { TAIL ~ a flip flop }
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