Digital equalizer for data-transmission system

Details Digital equalizer for data-transmission system Digital equalizer for data-transmission system

1975-04-28

1976-08-31

Gensler, Paul L.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

325 42, 325323, H04B 304

Patent

active

039784355

ABSTRACT:
Incoming data pulses from a transmission channel are differentially combined with weighted data pulses from preceding cycles to form an updating signal fed in parallel to a multiplicity of weighting circuits for digital multiplication with respective coefficients K.sub.1 - K.sub.N, the output signals from these weighting circuits being synthesized in staggered relationship to form a composite signal fed to a quantizing decoder. The weighting coefficients K.sub.1 - K.sub.N are continuously modified under the control of an error signal derived from a locally generated reference code during an acquisition phase and from the decoder output during an operating phase.

REFERENCES:
patent: 3283063 (1966-11-01), Kawashima et al.
patent: 3657669 (1972-04-01), Proakis
patent: 3659229 (1972-04-01), Milton

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