SPARK GAP SWITCHES FOR RADAR 



591 



60 < (.j) Voltages VS. time and 

 ? current vs. time for 



„i- 0.75-microsecond pulse. 



2 



O 40 



(b) Impedance vs. time. 



(c) Instantaneous i)o\ver 

 dissipated in gaps vs. 

 time — solid trace from 

 oscillogra])hic, shaded 

 areas from calorimetric 

 measurements. 



TIME IN MICROSECONDS 



Fig. 19— Pulse characteristics of two 1B22 tubes operated in scries. 



