Feed forward differential equalizer for narrowing the signal pul

Details Feed forward differential equalizer for narrowing the signal pul Feed forward differential equalizer for narrowing the signal pul

1989-11-13

1990-11-27

Mullins, James B.

Amplifiers

With amplifier bypass means

330304, 360 46, 360 65, H03F 304, H04N 920

Patent

active

049739158

ABSTRACT:
Magnetic head signal slimming is achieved using a differential, low order, lumped element, LC ladder network, having a single adjustment, differential feed forward equalization circuit, to provide pulse slimming and a variable, peaked amplitude response without varying the delay (phase) response of the network. The feed forward adjustment is easily varied by selection of the control signal input thereto so that the network gain and the slimming or pulse narrowing of the network is tailored for the difference in pulse widths produced by magnetic heads, which vary over the surface of the magnetic media and which vary from one magnetic head to another.

REFERENCES:
patent: 4479152 (1984-10-01), Chi
patent: 4786989 (1988-11-01), Okamura et al.

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