TRANSISTOR BINARY PULSE REGENERATOR 



1083 



be explained from Fig. 10(b). These are caused by the phase shift intro- 

 duced by the inhibiting voltage to the effective bias compared to that 

 of the timing wave. The omission thresholds are determined chiefly by 

 the maximum signal amplitude. On the other hand the insertion thresh- 

 olds are determined by the point of maximum trigger bias. There exists 

 then two separate threshold values for a timing interval which follows a 

 regenerated pulse. These values can be measured from points "a" and 

 "b" on Fig. 10(b). 



4.5 Result of Sinusoidal Interference Measurements 



On Fig. 13 are shown the errors produced by sinusoidal interference. 

 Here a 110-kc sine wave is added to the signal and the various types 



10 



1.0 



a: 

 o 



(£ 

 UJ 



to 



I- 



3 



m 



UJ 



2 



10" 



li. 



o 



10" 



OJ 



u 

 a. 



10" 



10" 



50 55 60 65 70 75 80 



PEAK-TO-PEAK AMPLITUDE OF INTERFERENCE 



X 100% 



85 



Fig. 13 - 

 interference 



PEAK AMPLITUDE OF SIGNAL 



Repeater errors as a function of interferences level for sinusoidal 



