NL298172A - - Google Patents

Info

Publication number
NL298172A
NL298172A NL298172DA NL298172A NL 298172 A NL298172 A NL 298172A NL 298172D A NL298172D A NL 298172DA NL 298172 A NL298172 A NL 298172A
Authority
NL
Netherlands
Application number
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.)
Publication of NL298172A publication Critical patent/NL298172A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • 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
    • G11B5/027—Analogue recording
    • 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
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
NL298172D 1962-09-24 NL298172A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US225633A US3324250A (en) 1962-09-24 1962-09-24 Oscillator-amplifier circuit utilizing recording amplifier for high frequency recording bias supply

Publications (1)

Publication Number Publication Date
NL298172A true NL298172A (xx)

Family

ID=22845618

Family Applications (1)

Application Number Title Priority Date Filing Date
NL298172D NL298172A (xx) 1962-09-24

Country Status (5)

Country Link
US (1) US3324250A (xx)
CH (1) CH417992A (xx)
DE (1) DE1449317B2 (xx)
GB (1) GB991506A (xx)
NL (1) NL298172A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503007A (en) * 1967-09-20 1970-03-24 Buchungsmachinenwerk Karl Marx Controllable oscillator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838452A (en) * 1972-12-07 1974-09-24 Honeywell Inc Recording amplifier for bias-type magnetic recording
US4081845A (en) * 1976-06-29 1978-03-28 Honeywell Inc. Magnetic recording with bias and data mixing circuit
JPS5935086B2 (ja) * 1978-12-06 1984-08-27 ヤマハ株式会社 磁気記録機における記録回路
DE3768877D1 (de) * 1986-08-12 1991-05-02 Studer Willi Ag Aufzeichnung von tonsignalen.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427491A (en) * 1940-06-17 1947-09-16 Emi Ltd Thermionic valve oscillator with positive and negative feedback
US2730577A (en) * 1954-03-09 1956-01-10 Winters Arthur Frequency selective amplifier circuit
US3133160A (en) * 1960-02-25 1964-05-12 Code A Phone Electronics Inc Combination bias oscillator, mixer and recording amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503007A (en) * 1967-09-20 1970-03-24 Buchungsmachinenwerk Karl Marx Controllable oscillator

Also Published As

Publication number Publication date
US3324250A (en) 1967-06-06
DE1449317A1 (de) 1969-03-27
CH417992A (fr) 1966-07-31
GB991506A (en) 1965-05-12
DE1449317B2 (de) 1970-10-08

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