SG50789A1 - Single-ended supply preamplifier with high power supply rejection ratio - Google Patents

Single-ended supply preamplifier with high power supply rejection ratio

Info

Publication number
SG50789A1
SG50789A1 SG1997000230A SG1997000230A SG50789A1 SG 50789 A1 SG50789 A1 SG 50789A1 SG 1997000230 A SG1997000230 A SG 1997000230A SG 1997000230 A SG1997000230 A SG 1997000230A SG 50789 A1 SG50789 A1 SG 50789A1
Authority
SG
Singapore
Prior art keywords
high power
preamplifier
power supply
rejection ratio
ended
Prior art date
Application number
SG1997000230A
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 SG50789A1 publication Critical patent/SG50789A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • G11B2005/0013—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation
    • G11B2005/0016—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers
    • G11B2005/0018—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure of transducers, e.g. linearisation, equalisation of magnetoresistive transducers by current biasing control or regulation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)
  • Digital Magnetic Recording (AREA)
SG1997000230A 1996-03-25 1997-02-01 Single-ended supply preamplifier with high power supply rejection ratio SG50789A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/621,653 US5691663A (en) 1996-03-25 1996-03-25 Single-ended supply preamplifier with high power supply rejection ratio

Publications (1)

Publication Number Publication Date
SG50789A1 true SG50789A1 (en) 1998-07-20

Family

ID=24491055

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997000230A SG50789A1 (en) 1996-03-25 1997-02-01 Single-ended supply preamplifier with high power supply rejection ratio

Country Status (5)

Country Link
US (1) US5691663A (zh)
JP (1) JPH1027308A (zh)
CN (2) CN1079560C (zh)
SG (1) SG50789A1 (zh)
TW (1) TW350165B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1296030B1 (it) * 1997-10-14 1999-06-04 Sgs Thomson Microelectronics Circuito di riferimento a bandgap immune da disturbi sulla linea di alimentazione
US6331921B1 (en) * 1998-07-06 2001-12-18 Agilent Technologies, Inc Magneto-resistive head read amplifier
US6307699B1 (en) * 1998-11-04 2001-10-23 Stmicroelectronics, Inc. Bimodal biasing of magneto resistive heads
US6429991B1 (en) 1999-04-15 2002-08-06 Mitsubishi Electric And Electronics U.S.A., Inc. Reducing bias current settling time in magneto-resistive head pre-amplifiers
US6420910B1 (en) * 1999-04-27 2002-07-16 International Business Machines Corporation Quasi-current sensing input impedance controlled preamplifier for magnetoresistive elements
EP1313212B1 (en) 2001-11-19 2007-04-18 Dialog Semiconductor GmbH Power supply rejection ratio optimization during test
US7187513B2 (en) * 2002-06-14 2007-03-06 Renesas Technology America, Inc. Differential magneto-resistive head pre-amplifiers for single polarity power supply applications
US6850378B2 (en) * 2002-11-05 2005-02-01 Hitachi Global Storage Technologies Netherlands Bv Method and apparatus for providing quadrature biasing for coupled-pair circuits
US7202645B2 (en) * 2003-01-09 2007-04-10 Audio Note Uk Ltd. Regulated power supply unit
US6781468B1 (en) 2003-04-30 2004-08-24 Agilent Technologies, Inc Photo-amplifier circuit with improved power supply rejection
TWI266166B (en) * 2004-12-16 2006-11-11 Realtek Semiconductor Corp Source follower and stabilizing current feedback circuit thereof
GB2434047A (en) * 2006-01-05 2007-07-11 Chi Ming John Lam A balanced audio valve amplifier with multiple feedback loops
US7907003B2 (en) * 2009-01-14 2011-03-15 Standard Microsystems Corporation Method for improving power-supply rejection
US9672846B1 (en) * 2016-06-21 2017-06-06 Western Digital Technologies, Inc. STO bias control for MAMR head reliability
JP6661496B2 (ja) * 2016-09-08 2020-03-11 株式会社東芝 電源回路
US11361786B1 (en) * 2020-11-20 2022-06-14 Western Digital Technologies, Inc. Data storage device employing amplifier feedback for impedance matching

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5691663A (en) 1997-11-25
JPH1027308A (ja) 1998-01-27
CN1377029A (zh) 2002-10-30
CN1164776A (zh) 1997-11-12
CN1079560C (zh) 2002-02-20
TW350165B (en) 1999-01-11

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