Signal transmission system comprising a monolinearity product pr

Details Signal transmission system comprising a monolinearity product pr Signal transmission system comprising a monolinearity product pr

1981-05-11

1983-07-05

Ng, Jin F.

Telecommunications

Transmitter

Carrier amplitude control

455 72, 358186, 330124R, 330144, 330149, H04B 104, H03F 126

Patent

active

043922520

ABSTRACT:
A signal transmission system, particularly for television, comprising a nonlinearity precorrection device having a principal channel and a subsidiary channel. The subsidiary channel comprises a nonlinearity product generator with two amplification channels, a linear channel and a nonlinear channel which enable nonlinearity products having a suitable phase to be extracted by the difference of their output signals. The principal channel comprises a circuit formed from two linear channels in parallel whose output signals are added together in an adder. The output signals of the subsidiary channel and the principal channel are added. This precorrection device enables automatic correction of the nonlinearity products to be set up.

REFERENCES:
patent: 3559068 (1971-01-01), Almering et al.
patent: 3693109 (1972-09-01), Swerdlow
patent: 4130807 (1978-12-01), Hall et al.
patent: 4131859 (1978-12-01), Valle
patent: 4217554 (1980-08-01), Brzozowski
patent: 4329655 (1982-05-01), Nojima et al.

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