The diode has a low capacitance , for example, less than 1 pF and a low threshold voltage and anode cathode voltage drop of the order of magnitude of {HEAD ~ some tenths} of {TAIL ~ volts} 
The diode has a low capacitance , for example , less than 1 pF and a low threshold voltage and anode cathode voltage drop of the order of magnitude of { HEAD ~ some tenths } of { TAIL ~ volts }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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