The diode ensures that the preamplifier is not saturated for an impermissbly long period of time at {HEAD ~ the limit} of {TAIL ~ its operating range} due to the current peaks 
of
The diode ensures that the preamplifier is not saturated for an impermissbly long period of time at { HEAD ~ the limit } of { TAIL ~ its operating range } due to the current peaks
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH