SG52913A1 - 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
SG52913A1
SG52913A1 SG1997000228A SG1997000228A SG52913A1 SG 52913 A1 SG52913 A1 SG 52913A1 SG 1997000228 A SG1997000228 A SG 1997000228A SG 1997000228 A SG1997000228 A SG 1997000228A SG 52913 A1 SG52913 A1 SG 52913A1
Authority
SG
Singapore
Prior art keywords
preamplifier circuit
switching channels
channel read
write preamplifier
write
Prior art date
Application number
SG1997000228A
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
Publication of SG52913A1 publication Critical patent/SG52913A1/en

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
SG1997000228A 1996-03-25 1997-02-01 Apparatus for switching channels within a multi- channel read/write preamplifier circuit SG52913A1 (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
SG52913A1 true SG52913A1 (en) 1998-09-28

Family

ID=24494639

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997000228A SG52913A1 (en) 1996-03-25 1997-02-01 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
US5760635A (en) 1998-06-02
CN1164775A (zh) 1997-11-12
TW371828B (en) 1999-10-11
JPH1027307A (ja) 1998-01-27
CN1079559C (zh) 2002-02-20

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