Accession Number : AD0287485

Title :   HIGH FREQUENCY DIGITAL COMMUNICATION SYSTEM

Corporate Author : NATIONAL CASH REGISTER CO DAYTON OHIO

Report Date : 15 OCT 1962

Pagination or Media Count : 1

Abstract : Effort concerns the development of special modulation, demodulation, digital coding, and control equipment for a high-frequency digital communication system that provides highly reliable operation in the presence of multipath propagation and doppler shift. Technical information describes and explains the operation of the circuits used in the control and coding equipment. Schematic diagrams of these circuits are included, and a reference index is provided. (Author)

Descriptors :   *COMMUNICATION SYSTEMS, *DATA TRANSMISSION SYSTEMS, *DIGITAL SYSTEMS, BAND PASS FILTERS, CIRCUITS, CODING, COMPUTER LOGIC, DETECTORS, ELECTRONIC EQUIPMENT, FULL WAVE RECTIFIERS, HIGH FREQUENCY, INTEGRATORS, INTERMEDIATE FREQUENCY AMPLIFIERS, MULTIPATH TRANSMISSION, POWER SUPPLIES, PULSE GENERATORS, PULSE MODULATION, TIMING CIRCUITS, TRANSISTORS

Distribution Statement : APPROVED FOR PUBLIC RELEASE