Special vestigial sideband signal for use in communication syste

Details Special vestigial sideband signal for use in communication syste Special vestigial sideband signal for use in communication syste

1986-11-17

1987-08-11

Griffin, Robert L.

Telecommunications

Transmitter

Amplitude modulation

455 47, 332 44, H03C 152, H04B 168

Patent

active

046867058

ABSTRACT:
Several forms of a novel amplitude-modulated (AM) signal format are disclosed. Circuits of several types for generating the desired special vestigial-sideband (SVSB) AM waveforms are discussed. The principal form of the SVSB modulation provides for a reduction in transmitted signal bandwidth compared with standard double-sideband techniques plus very linear amplitude characteristics with simple synchronous detectors. Circuits according to the invention may also include means for dynamically varying signal bandwidth to accommodate special applications.

REFERENCES:
patent: 2849537 (1958-08-01), Eglin
patent: 3229232 (1966-01-01), Sosin
Panter; Modulation, Noise, and Spectral Analysis; 1965; McGraw-Hill Inc.; New York; pp. 172-173.

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