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