Predistortion equalizing circuit

Details Predistortion equalizing circuit Predistortion equalizing circuit

1984-12-24

1986-07-15

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307493, 307311, 307555, 307499, H03F 132

Patent

active

046008470

ABSTRACT:
A predistortion circuit that cancels second order distortion of light emitting diodes enabling interference free transmission of multiple vestigial sideband television channels through a single optical fiber. This is achieved by preamplifying a signal with an amplifier that has opposite characteristics to the distortions of a light emitting diode.

REFERENCES:
patent: 3465168 (1969-09-01), Luhowy et al.
patent: 4039981 (1977-08-01), Ohashi et al.
patent: 4172221 (1979-10-01), Iizuka
patent: 4380711 (1983-04-01), Cunningham
patent: 4479066 (1984-10-01), Embree
patent: 4520282 (1985-05-01), Watanabe et al.

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