Title :
A New Crystal Channel Filter for Broad Band Carrier Systems
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
fDate :
3/1/1946 12:00:00 AM
Abstract :
A new crystal channel filter for use in broad band carrier telephone systems is described. It requires less than two-thirds as much mounting space as the earlier design and savings in materials and manufacturing effort are realized. These savings were made possible by assembling the four crystal units in one lattice-type filter section rather than two, resulting in a reduction in the number of component coils and capacitors.
Keywords :
Acceleration; Band pass filters; Cables; Capacitors; Channel bank filters; Coils; Fabrics; Frequency; Switches; Windup;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1946.5059316
