In a particular embodiment, {HEAD ~ each stage} includes a field effect transistor and {TAIL ~ the clipping device} is a diode 
In a particular embodiment , { HEAD ~ each stage } includes a field effect transistor and { TAIL ~ the clipping device } is a diode
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH