The circuit 8, further comprising {HEAD ~ hysteresis means} connected between said first input terminal of said second comparator and {TAIL ~ an output terminal} of said second comparator for providing a hysteresis effect 
connected between
The circuit 8 , further comprising { HEAD ~ hysteresis means } connected between said first input terminal of said second comparator and { TAIL ~ an output terminal } of said second comparator for providing a hysteresis effect
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH