TRANSISTOR BINARY PULSE REGENERATOR 



1061 



I of the pulse and k is given as 



k = 1 



-htr. 



where fp is the pulse duration. The sum of the transients of a sequence 

 of pulses will shift the zero potential from the base of the pulse toward 

 its average value as shown on Fig. 1(b). This phenomenon has been re- 



(aj 



(b) 



(cj 



TRIGGER 

 THRESHOLD 



TRIGGER 

 THRESHOLD 



(d) 



(e) 



(d-b) 



(f) 



A 



zx/\zx./x/\ 





A 



r 



L 



r 



L 



L LL 



r r r 



L 



r r r 



L 



TRIGGER 

 THRESHOLD i 



(9) 



(d-b + f) 



7 



x^ 



& 



r\ 



\J 



^ 



ta~P""a 



M 



n 



n 



a 



n 



oi 



^ 



^ 



r\ 



r> 



^^\ 



TIME 



Fig. 1 — (a), a perfectly regenerated pulse train; (b) showing the effect of low- 

 frequency cutoff; (c), showing (a) after passing over equalized line; (d), showing 

 (b) after passing over equalized line; (e), effect of (d) minus (b); (f), inverted 

 pedestal timing wave; (g), composite wave at input to repeater, namely, (d) minus 

 (b)plus (f). 



