TW371828B - Apparatus for switching channels within a multi-channel read/write preamplifier circuit - Google Patents

Apparatus for switching channels within a multi-channel read/write preamplifier circuit

Info

Publication number
TW371828B
TW371828B TW086101881A TW86101881A TW371828B TW 371828 B TW371828 B TW 371828B TW 086101881 A TW086101881 A TW 086101881A TW 86101881 A TW86101881 A TW 86101881A TW 371828 B TW371828 B TW 371828B
Authority
TW
Taiwan
Prior art keywords
magnetoresistive sensor
channel
read
transistor
control signal
Prior art date
Application number
TW086101881A
Other languages
English (en)
Inventor
Mehrdad Nayebi
Mahmud Musbah
Norio Shoji
Original Assignee
Sony Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Electronics Inc filed Critical Sony Electronics Inc
Application granted granted Critical
Publication of TW371828B publication Critical patent/TW371828B/zh

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
    • H03K17/6257—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several inputs only combined with selecting means

Landscapes

  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
  • Amplifiers (AREA)
  • Digital Magnetic Recording (AREA)
  • Magnetic Heads (AREA)
TW086101881A 1996-03-25 1997-02-18 Apparatus for switching channels within a multi-channel read/write preamplifier circuit TW371828B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/622,558 US5760635A (en) 1996-03-25 1996-03-25 Apparatus for switching channels within a multi-channel read/write preamplifier circuit

Publications (1)

Publication Number Publication Date
TW371828B true TW371828B (en) 1999-10-11

Family

ID=24494639

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086101881A TW371828B (en) 1996-03-25 1997-02-18 Apparatus for switching channels within a multi-channel read/write preamplifier circuit

Country Status (5)

Country Link
US (1) US5760635A (zh)
JP (1) JPH1027307A (zh)
CN (1) CN1079559C (zh)
SG (1) SG52913A1 (zh)
TW (1) TW371828B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6420910B1 (en) * 1999-04-27 2002-07-16 International Business Machines Corporation Quasi-current sensing input impedance controlled preamplifier for magnetoresistive elements
US7133233B1 (en) 2000-10-24 2006-11-07 Maxtor Corporation Disk drive with read while write capability
US7292400B2 (en) * 2001-04-23 2007-11-06 Seagate Technology Llc Device for limiting current in a sensor
US6888406B2 (en) * 2002-08-12 2005-05-03 Microtune (Texas), L.P. Highly linear variable gain amplifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905238A (en) * 1987-09-04 1990-02-27 Digital Equipment Corporation Analog amplifier-multiplexer for a data system
US5204789A (en) * 1991-01-31 1993-04-20 International Business Machines Corporation Low noise voltage-biasing amplifier for magnetoresistive element
US5270882A (en) * 1992-07-15 1993-12-14 International Business Machines Corporation Low-voltage, low-power amplifier for magnetoresistive sensor

Also Published As

Publication number Publication date
CN1164775A (zh) 1997-11-12
CN1079559C (zh) 2002-02-20
JPH1027307A (ja) 1998-01-27
US5760635A (en) 1998-06-02
SG52913A1 (en) 1998-09-28

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees