Delay line signal equalizer for magnetic recording signal detect

Details Delay line signal equalizer for magnetic recording signal detect Delay line signal equalizer for magnetic recording signal detect

1979-09-04

1981-05-05

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Equalizers

307264, 330151, 330252, H03H 1106

Patent

active

042662044

ABSTRACT:
A signal amplitude equalizer circuit, having linear phase, for reforming high density magnetically recorded read-back signals to remove peak shift and the resulting errors caused thereby. The equalizer circuit employs series balanced differential amplifier circuits in connection with properly terminated delay lines across the amplifier output terminals to provide an adjustable transfer function that transforms the readhead signal, that follows an exponential frequency spectra curve, into a cosine power frequency spectra curve which, in the time domain, possesses a sufficiently narrow base to eliminate peak shift and its resulting amplitude decay.

REFERENCES:
patent: 2958831 (1960-11-01), Clark
patent: 3584235 (1971-06-01), Fukui et al.
patent: 3868604 (1975-02-01), Tongue

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