Impedance-controlled write driver for low power preamp

Details Impedance-controlled write driver for low power preamp Impedance-controlled write driver for low power preamp

2006-09-26

2006-09-26

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

C360S046000, C327S110000

Reexamination Certificate

active

07113359

ABSTRACT:
Disclosed are methods and circuits for impedance-controlled write drivers using matched impedance control circuits coupled in parallel with a magnetic write head.

REFERENCES:
patent: 6674595 (2004-01-01), Chiou et al.
patent: 6879455 (2005-04-01), Ngo et al.
patent: 6917484 (2005-07-01), Ranmuthu
patent: 6947239 (2005-09-01), Takahashi
patent: 6970316 (2005-11-01), Venca et al.
patent: 7006313 (2006-02-01), Ngo
patent: 2002/0118479 (2002-08-01), Yoshizawa et al.
patent: 2003/0103296 (2003-06-01), Jang et al.

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