694 THE BELL SYSTEM TECHNICAL JOURNAL, MAY 1956 



2.0 



0.5 



lo Vi+ b 

 Fig. 2 — The function 7(2) given by equation (40) for two choices of 7^, . 



45 

 40 

 35 



/3V 



30 



25 



20 



Sl ^^ 



0.01 0.02 0.04 0.06 0.1 0.2 0.4 0.6 0.8 1 



I/Io 



4 6 8 10 20 40 60 100 



Fig. 3 — The voltage-current cliaracteristic of the PIN diode accortling to 

 equation (44). The dashed line represents an ideal PN diode and c/q '^ 200 amp/ 



