A clipping device such as {HEAD ~ a diode} is coupled in {TAIL ~ the input circuit} between the stages 
A clipping device such as { HEAD ~ a diode } is coupled in { TAIL ~ the input circuit } between the stages
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH