IT1054875B - Oscillatore perfezionato - Google Patents

Oscillatore perfezionato

Info

Publication number
IT1054875B
IT1054875B IT20381/76A IT2038176A IT1054875B IT 1054875 B IT1054875 B IT 1054875B IT 20381/76 A IT20381/76 A IT 20381/76A IT 2038176 A IT2038176 A IT 2038176A IT 1054875 B IT1054875 B IT 1054875B
Authority
IT
Italy
Prior art keywords
perfected
oscillator
perfected oscillator
Prior art date
Application number
IT20381/76A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1054875B publication Critical patent/IT1054875B/it

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
    • 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
    • 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
    • H03B5/1206—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 using multiple transistors for amplification
    • 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
    • H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/06—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being semiconductor device
IT20381/76A 1975-03-17 1976-02-20 Oscillatore perfezionato IT1054875B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/558,576 US4006433A (en) 1975-03-17 1975-03-17 Bias/erase oscillator

Publications (1)

Publication Number Publication Date
IT1054875B true IT1054875B (it) 1981-11-30

Family

ID=24230091

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20381/76A IT1054875B (it) 1975-03-17 1976-02-20 Oscillatore perfezionato

Country Status (7)

Country Link
US (1) US4006433A (it)
JP (1) JPS51111319A (it)
CA (1) CA1056467A (it)
DE (1) DE2608543A1 (it)
FR (1) FR2305055A1 (it)
GB (1) GB1486386A (it)
IT (1) IT1054875B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE425705B (sv) * 1980-12-23 1982-10-25 Ericsson Telefon Ab L M Anordning for att i en databasanleggning automatiskt forstora informationsinnehallet i dataminnen och programminnen
DE3401531A1 (de) * 1984-01-14 1985-07-25 Heinrich 6090 Rüsselsheim Jores Sinusoszillator zur erzeugung von ungedaempften elektrischen schwingungen
JPS61135008A (ja) * 1984-12-05 1986-06-23 オムロン株式会社 押しボタンスイツチ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE523970A (it) * 1953-03-28
US3464029A (en) * 1966-03-02 1969-08-26 Alfred Electronics Transistor oscillator circuit employing variable depletion capacitance and carrier storage capacitance
US3391351A (en) * 1966-11-21 1968-07-02 Bell Telephone Labor Inc Circuits using a transistor operated into second breakdown region
US3649929A (en) * 1970-11-30 1972-03-14 Motorola Inc Sinusoidal and square wave oscillator with automatic gain control
US3806828A (en) * 1973-07-26 1974-04-23 Cetec Inc Combined high-frequency bias generator and amplifier for recording systems

Also Published As

Publication number Publication date
GB1486386A (en) 1977-09-21
JPS579128B2 (it) 1982-02-19
JPS51111319A (en) 1976-10-01
FR2305055B1 (it) 1980-05-30
FR2305055A1 (fr) 1976-10-15
DE2608543A1 (de) 1976-09-30
US4006433A (en) 1977-02-01
CA1056467A (en) 1979-06-12

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