Low bias voltage write driver using a low bias voltage to reduce

Details Low bias voltage write driver using a low bias voltage to reduce Low bias voltage write driver using a low bias voltage to reduce

1996-09-25

1998-12-22

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

360 46, G11B 503

Patent

active

058525262

ABSTRACT:
A low head bias voltage write driver is described. The present invention comprises a positive supply terminal coupled to a first terminal of a first current source. A first write driver head terminal is coupled to the second terminal of the first current source. A first terminal of a first switch is coupled to the first write driver head terminal. The second terminal of the first switch is coupled to the negative supply terminal. A second current source is coupled to the positive supply terminal. A second write driver head terminal is coupled to the second terminal of the second current source. A first terminal of a second switch is coupled to the second write driver head terminal. The second terminal of the second switch is coupled to the negative supply terminal.

REFERENCES:
patent: 5280196 (1994-01-01), Shinozaki
patent: 5296975 (1994-03-01), Contreras et al.
patent: 5386328 (1995-01-01), Chiou et al.
patent: 5539342 (1996-07-01), Gersbach et al.

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