Method of compensation of intermodulation noise and devices for

Details Method of compensation of intermodulation noise and devices for Method of compensation of intermodulation noise and devices for

1977-10-04

1978-12-26

Mullins, James B.

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

330149, 330151, H03F 126, H03F 368

Patent

active

041318595

ABSTRACT:
The present invention relates to amplifier chains such as are found, for example, in carrier analog transmission by cable with repeaters. Intermodulation noise is reduced by opposing an intermodulation noise generated by a compensation source from the signal available at the chain output to the intermodulation noise generated by the chain. It applies in particular to cable transmission links with repeaters to improve the signal-to-noise ratio thereof.

REFERENCES:
patent: 3202928 (1965-08-01), Prior
patent: 3383618 (1968-05-01), Engelbrecht
patent: 3732502 (1973-05-01), Seidel
patent: 3825843 (1974-07-01), Felsberg et al.
Kogan et al., "Transit Apparatus for Tertiary Groups with Amplitude Correction (STTG) and with Amplitude and Phase Correction (STTG-FK)," Communications and Radio Engineering", vol. 28/29, No. 9, Sep. 1974, pp. 11-13.

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