JPH0430204B2 - - Google Patents

Info

Publication number
JPH0430204B2
JPH0430204B2 JP57009412A JP941282A JPH0430204B2 JP H0430204 B2 JPH0430204 B2 JP H0430204B2 JP 57009412 A JP57009412 A JP 57009412A JP 941282 A JP941282 A JP 941282A JP H0430204 B2 JPH0430204 B2 JP H0430204B2
Authority
JP
Japan
Prior art keywords
input terminal
resistor
inverting input
recording
differential amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
JP57009412A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57141108A (en
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 filed Critical
Publication of JPS57141108A publication Critical patent/JPS57141108A/ja
Publication of JPH0430204B2 publication Critical patent/JPH0430204B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Amplifiers (AREA)
JP57009412A 1981-01-23 1982-01-22 Current mode preamplifier Granted JPS57141108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/227,614 US4386378A (en) 1981-01-23 1981-01-23 High gain, current mode preamplifier

Publications (2)

Publication Number Publication Date
JPS57141108A JPS57141108A (en) 1982-09-01
JPH0430204B2 true JPH0430204B2 (en:Method) 1992-05-21

Family

ID=22853780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57009412A Granted JPS57141108A (en) 1981-01-23 1982-01-22 Current mode preamplifier

Country Status (2)

Country Link
US (1) US4386378A (en:Method)
JP (1) JPS57141108A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101523605B1 (ko) * 2011-12-29 2015-05-29 제일모직주식회사 축광성 인조대리석

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210404A (en) * 1981-06-22 1982-12-24 Victor Co Of Japan Ltd Magnetic recording device
US4480275A (en) * 1982-04-02 1984-10-30 Ampex Corporation Constant current biased head driver
JPS5977609A (ja) * 1982-10-26 1984-05-04 Secom Co Ltd 磁気読取り装置
US4547819A (en) * 1983-05-04 1985-10-15 Amber Electro Design, Inc. Magnetic pickup preamplifier
DE3404719A1 (de) * 1984-02-10 1985-08-14 Robert Bosch Gmbh, 7000 Stuttgart Gleichstromgekoppelter verstaerker
IT1241345B (it) * 1990-12-11 1994-01-10 Sgs Thomson Microelectronics Circuito per la soppressione del rumore di commutazione fra due sorgenti di tensione, in paticolare per stadi audio di preamplificazione
US5517572A (en) * 1993-06-07 1996-05-14 Apple Computer, Inc. Methods and apparatus for connecting and conditioning audio signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053936A (en) * 1976-06-03 1977-10-11 Amp Incorporated Read and write circuitry
US4081845A (en) * 1976-06-29 1978-03-28 Honeywell Inc. Magnetic recording with bias and data mixing circuit
US4157574A (en) * 1977-05-16 1979-06-05 A. B. Dick Company Noise reduction circuit for multiple gap magnetic head for automatic typewriter
US4317142A (en) * 1979-04-24 1982-02-23 Polaroid Corporation Electronic gain and noise control for recording of analog information
US4271439A (en) * 1979-04-24 1981-06-02 Polaroid Corporation Electronic gain and noise control for recording of analog information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101523605B1 (ko) * 2011-12-29 2015-05-29 제일모직주식회사 축광성 인조대리석

Also Published As

Publication number Publication date
JPS57141108A (en) 1982-09-01
US4386378A (en) 1983-05-31

Similar Documents

Publication Publication Date Title
JPH0430204B2 (en:Method)
US4805047A (en) Read/write magnetic disk apparatus operable in plural density modes
JP2707191B2 (ja) マルチトラック磁気信号再生装置
JP2002304701A (ja) 再生アンプおよびこれを用いた磁気記録再生装置
US4882639A (en) Changeover writing circuit for magnetic disk apparatus operable at plural densities
JPH0787008B2 (ja) 記録再生切換回路
JPS61148607A (ja) マルチトラツク磁気信号再生装置
JPH0351811Y2 (en:Method)
JP2778217B2 (ja) データ記録装置
JP2506971B2 (ja) 磁気再生回路
JPH0313845Y2 (en:Method)
JP2680924B2 (ja) コントロールコーディング回路
EP0468472A1 (en) Recording/reproducing circuit for disk apparatus
JPH026556Y2 (en:Method)
JP2582502B2 (ja) 磁気テープ装置の記録電流設定方法
JP2821342B2 (ja) ディスク装置のデータ読み出し機構
SU1196947A1 (ru) Устройство дл стереофонической магнитной записи и воспроизведени
JPS6211047Y2 (en:Method)
JP2543211B2 (ja) 磁気記録再生装置の読み出し回路
JPS60231976A (ja) デイジタル磁気再生回路
JPH01140403A (ja) 磁気ディスク装置
JPH0412543B2 (en:Method)
JPH03156720A (ja) ベリードサーボ方式用サーボ情報検出装置
JP2003178401A (ja) 磁気ディスク装置
JPH04258803A (ja) 磁気記録再生装置の再生回路