Narrow bandwidth network compensation method and apparatus

Details Narrow bandwidth network compensation method and apparatus Narrow bandwidth network compensation method and apparatus

1978-04-26

1980-03-18

Griffin, Robert L.

Telecommunications

Transmitter

Having harmonic radiation suppression

455119, 455103, H04B 104

Patent

active

041941543

ABSTRACT:
A method and means for compensating for the limited bandwidth of antennas and antenna coupling networks and other high powered modulated wave equipment characterized by generating a modulated wave at a relatively low power level, passing the modulated wave through circuitry which imparts the required envelope and phase modulation to the modulated wave to compensate for said limited bandwidth characteristics and then amplifying the resulting wave in amplifiers which substantially maintain the said imparted envelope and phase modulation and which feed the limited bandwidth equipment.

REFERENCES:
patent: 2285085 (1942-06-01), Hagen
patent: 2666133 (1954-01-01), Kahn
patent: 2989707 (1961-06-01), Kahn
patent: 3085203 (1963-04-01), Logan, Jr. et al.
patent: 3323064 (1967-05-01), Remley
patent: 3372350 (1968-03-01), Kawahashi et al.
patent: 3528037 (1970-09-01), Yamazaki
"Operation of AM Broadcast Transmitters into Sharply Tuned Antenna Systems," by Doherty, IRE Proc. 7/1949, pp. 729-734.

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