FR2293830B1 - - Google Patents

Info

Publication number
FR2293830B1
FR2293830B1 FR7537058A FR7537058A FR2293830B1 FR 2293830 B1 FR2293830 B1 FR 2293830B1 FR 7537058 A FR7537058 A FR 7537058A FR 7537058 A FR7537058 A FR 7537058A FR 2293830 B1 FR2293830 B1 FR 2293830B1
Authority
FR
France
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
FR7537058A
Other languages
French (fr)
Other versions
FR2293830A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2293830A1 publication Critical patent/FR2293830A1/fr
Application granted granted Critical
Publication of FR2293830B1 publication Critical patent/FR2293830B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • 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)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR7537058A 1974-12-04 1975-12-03 Amplificateur integre Granted FR2293830A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7415220A SE7415220L (sv) 1974-12-04 1974-12-04 Integrerad forsterkare

Publications (2)

Publication Number Publication Date
FR2293830A1 FR2293830A1 (fr) 1976-07-02
FR2293830B1 true FR2293830B1 (enExample) 1980-02-08

Family

ID=20322896

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537058A Granted FR2293830A1 (fr) 1974-12-04 1975-12-03 Amplificateur integre

Country Status (6)

Country Link
US (1) US4013971A (enExample)
AU (1) AU501782B2 (enExample)
DE (1) DE2554451A1 (enExample)
FR (1) FR2293830A1 (enExample)
GB (1) GB1515755A (enExample)
SE (1) SE7415220L (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563193A (en) * 1975-08-02 1980-03-19 Ferranti Ltd Semiconductor devices
CA1056970A (en) * 1977-01-10 1979-06-19 Northern Telecom Limited Electronic network for telephone set
JPS6116605A (ja) * 1984-07-02 1986-01-24 Hitachi Ltd 可変利得増幅回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1195405A (fr) * 1958-04-24 1959-11-17 Csf Dispositif de contre-réaction à thermistances
GB951342A (en) * 1961-10-17 1964-03-04 Smith & Sons Ltd S Improvements in or relating to electrical amplifying apparatus employing junction transistors
FR1460507A (fr) * 1962-09-07 1966-01-07 Texas Instruments Inc Circuits à contre-réaction thermique

Also Published As

Publication number Publication date
DE2554451A1 (de) 1976-06-10
GB1515755A (en) 1978-06-28
AU8705075A (en) 1977-06-02
FR2293830A1 (fr) 1976-07-02
SE384775B (sv) 1976-05-17
US4013971A (en) 1977-03-22
AU501782B2 (en) 1979-06-28
SE7415220L (sv) 1976-05-17

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Legal Events

Date Code Title Description
ST Notification of lapse