Title :
Ultra-Short-Wave Transmitter for the Cape Charles-Norfolk Multiplex System
Author :
Kircher, R.J. ; Friis, R.W.
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N.Y.
Abstract :
Design features of an unattended ultra-short-wave double-sideband multiplex transmitter are described. Forty decibels of envelope feedback is utilized over the 12- to 60-kilocycle band of the twelve type-K carrier-signal channels which modulate the last stage of the transmitter. Accessibility of apparatus and ease in maintenance contribute toward obtaining maximum reliability of the equipment in commercial service.
Keywords :
Feedback; Maintenance; Power amplifiers; Power cables; Radio frequency; Radio transmitters; Radiofrequency amplifiers; Senior members; Stability; Wire;
Journal_Title :
Proceedings of the IRE
DOI :
10.1109/JRPROC.1945.232910
