Analog subscriber carrier system terminal with automatic gain an

Details Analog subscriber carrier system terminal with automatic gain an Analog subscriber carrier system terminal with automatic gain an

1984-05-03

1986-04-01

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

179170A, H04J 102, H04B 338, H04B 358

Patent

active

045802602

ABSTRACT:
An FDM subscriber carrier system with two pilots located adjacent the upper and lower ends of the high frequency band uses the detected pilot levels at a remote terminal to adjust the gain and slope amplifiers in both directions of transmission. A microprocessor, programmed to identify the cable transmission characteristics, uses status signals derived from the two detected pilots to produce control signals to adjust and optimize the gain and slope settings of line amplifiers.

REFERENCES:
patent: 2300415 (1942-11-01), Green
patent: 2758281 (1956-08-01), Carleson
patent: 4087639 (1978-05-01), Beene et al.
patent: 4136267 (1979-01-01), Foster et al.
patent: 4281408 (1981-02-01), Bonnerot

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