Amplified serial digital cable equalizer circuit having a high r

Details Amplified serial digital cable equalizer circuit having a high r Amplified serial digital cable equalizer circuit having a high r

1995-03-28

1996-10-01

Lee, Benny

Wave transmission lines and networks

Coupling networks

Equalizers

375214, 375229, H04B 336, H03H 1100

Patent

active

055614043

ABSTRACT:
A wide-band high-frequency analog amplifier is provided in the signal path between an input cable connector and an integrated-circuit based cable equalizer. The amplifier is preferably a common base transistor amplifier. The amplifier serves multiple purposes, including providing additional gain to compensate for losses incurred in the equalizer, increasing return loss on the input line, and allowing different gain levels in the input stage and operating stages of the equalizer.

REFERENCES:
patent: 3560857 (1971-02-01), Nakahara et al.
patent: 4320515 (1982-03-01), Burton, Jr.
patent: 4715049 (1987-12-01), Andrews et al.
patent: 5280346 (1994-01-01), Ross
Frame, "Recent Advances in Coaxial Digital Transmission," EASCON '76, Washington, D.C., 26-29 Sep. 1976, pp. 86A-86G.
Gennum Corporation, GenLix.TM. GS9004A Serial Digital Cable Equalizer Date Sheets Recherches Miranda 41212 Encoder Schematic, Jan. 1994.

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