A Frequency-Division Multiplex System for Use in Shipboard Internal Voice Communications.
NAVAL POSTGRADUATE SCHOOL MONTEREY CALIF
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A voice communications system that employs frequency-division multiplexing to add four voice channels to existing hardwired, audio-range circuits, is described. Phase-locked loop technology is used in the project, utilizing this new class of monolithic circuit. A study of an existing sound-powered telephone system is made and the compatability of the multiplexing scheme within this system is investigated. Author
- Voice Communications