Title :
An Improved Cable Carrier System
Author :
Black, H.S. ; Brooks, F.A. ; Wier, A.J. ; Wilson, I.G.
Author_Institution :
High frequency transmission engineer in the transmission development department of Bell Telephone Laboratories, Inc., New York, N. Y.
Abstract :
A new 12-channel cable carrier system is described which is suitable for transcontinental communications. Important features are negative feed-back amplifiers of improved design, new arrangements for accurate equalization of the cable loss, and automatic thermistor regulators which continuously control the transmission of each system.
Keywords :
Circuits; Communication cables; Communication system control; Control systems; Frequency; Propagation losses; Regulators; Repeaters; Temperature; Thermistors;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1947.5059501
