REPEATER DESIGN 



NEWFOUNDLAXD-XOVA SCOTIA LINKS 



•zio 



(g) Supervisory — 260.800 kc (nominal). 



Fundamental level 

 at B terminal, dbm 



-12 

 -2 



+8 



Second harmonic level 

 at A terminal, dbm 



-26 

 -13.8 

 -3.6 



(h) Moisture detector. 



Resonant f requeue}^ with 30-f t cable tail 



(i) Impedance. 



Return loss against 55 ohms 



1,237 kc 



2 PERFOR^L'\.NCE OF SUBMERGED EQUALIZER 



(a) Insulation resistance 8,000 megohms 



(h) DC resistance at 20°C 9.2 ohms 



(c) Voltage drop at 316 ma 3.0 "\'olts 



(d) Carrier loss (55 ohms) — without moisture detector. 



Frequency, kc Loss, db Frequency, kc Loss, db 



20 4.28 260 15.90 



30 4.23 312 18.26 



50 4.87 350 19.96 



100 7.47 400 21.75 



150 10.35 450 23.16 



200 13.04 500 24.55 



230 14.52 552 25.97 



(e) ^loisture detector. 



Resonant frequenc}^ with 5-ft cable tail 1,387 kc 



(/) Impedance 



Return loss against 55 ohms 



A-terminal B-terminal 



Frequency, kc return loss, db return loss, db 



20 35 31 



50 19 19 



100 25 25 



260 34 27 



552 30 23 



