Title :
Crystal channel filters for the cable carrier system
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
fDate :
5/1/1938 12:00:00 AM
Abstract :
SINCE the channel selecting filters used at the terminals of the 12-channel cable carrier system are the principal filters in the system this paper is concerned primarily with these filters. Their importance is evident from the fact that they represent over one-third of the cost of the system terminals.
Keywords :
Coils; Crystals; Impedance; Inductance; Lattices; Optical filters; Propagation losses;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1938.6431276
