Time code signal processing circuit for removing and restoring v

Details Time code signal processing circuit for removing and restoring v Time code signal processing circuit for removing and restoring v

1992-09-14

1994-05-24

Hajec, Donald

Dynamic magnetic information storage or retrieval

General recording or reproducing

Signal switching

360 143, 360 66, G11B 2702, G11B 1512, G11B 503

Patent

active

053154495

ABSTRACT:
A circuit for processing an input pulse signal of which the slew rate is dependent on pulse frequency comprises an amplifier (30; 78) for receiving the input pulse signal and generating an output pulse signal having transitions of which the slew rate is dependent on a bias current supplied to the amplifier, and a circuit (38-66; 82-108) for supplying bias current to the amplifier, the bias current being representative at least substantially of the frequency of occurrence of pulses in the input pulse signal.

REFERENCES:
patent: 4521870 (1985-06-01), Babbel et al.
patent: 4704642 (1987-11-01), Namiki
patent: 4859955 (1989-08-01), Trethewey
patent: 5155802 (1992-10-01), Mueller et al.
patent: 5237461 (1993-08-01), Heitmann et al.

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