IT1041340B - Amplificatore in controfase..particolarmente per otofoni - Google Patents

Amplificatore in controfase..particolarmente per otofoni

Info

Publication number
IT1041340B
IT1041340B IT68921/75A IT6892175A IT1041340B IT 1041340 B IT1041340 B IT 1041340B IT 68921/75 A IT68921/75 A IT 68921/75A IT 6892175 A IT6892175 A IT 6892175A IT 1041340 B IT1041340 B IT 1041340B
Authority
IT
Italy
Prior art keywords
otophones
counterphase
amplifier
counterphase amplifier
Prior art date
Application number
IT68921/75A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1041340B publication Critical patent/IT1041340B/it

Links

Classifications

    • 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
    • H03F1/307—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3066—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/477—Paralleled transistors are used as sensors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
    • H03F2203/30048—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor the SEPP amplifier has multiple SEPP outputs from paralleled output stages coupled in one or more outputs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
IT68921/75A 1974-07-26 1975-07-23 Amplificatore in controfase..particolarmente per otofoni IT1041340B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7410080A NL7410080A (nl) 1974-07-26 1974-07-26 Balansversterker.

Publications (1)

Publication Number Publication Date
IT1041340B true IT1041340B (it) 1980-01-10

Family

ID=19821822

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68921/75A IT1041340B (it) 1974-07-26 1975-07-23 Amplificatore in controfase..particolarmente per otofoni

Country Status (12)

Country Link
US (1) US3997849A (it)
JP (1) JPS5810008B2 (it)
AT (1) AT349529B (it)
CA (1) CA1033422A (it)
CH (1) CH585991A5 (it)
DE (1) DE2531208C2 (it)
DK (1) DK144138C (it)
FR (1) FR2280245A1 (it)
GB (1) GB1503238A (it)
HK (1) HK61878A (it)
IT (1) IT1041340B (it)
NL (1) NL7410080A (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5317926A (en) * 1976-07-31 1978-02-18 Tokyo Keidenki Kk Interrlayer insulated transformer
US4038607A (en) * 1976-08-23 1977-07-26 Rca Corporation Complementary field effect transistor amplifier
GB2050098B (en) 1979-03-31 1983-07-20 Tokyo Shibaura Electric Co Power-amplifying circuit
US4297644A (en) * 1979-11-23 1981-10-27 Rca Corporation Amplifier with cross-over current control
BG31627A1 (en) * 1980-02-29 1982-02-15 Vasilev Power amplifyier
US4333057A (en) * 1980-03-24 1982-06-01 Rca Corporation Differential-input complementary field-effect transistor amplifier
US4446444A (en) * 1981-02-05 1984-05-01 Harris Corporation CMOS Amplifier
JPS5812314A (ja) * 1981-07-15 1983-01-24 Toshiba Corp ガス絶縁を行うｘ線発生装置における高圧トランス構造
GB8311072D0 (en) * 1983-04-22 1983-05-25 Sinclair Res Ltd Amplifiers
US4523154A (en) * 1983-05-18 1985-06-11 Genrad, Inc. Enhanced-accuracy semiconductor power amplifier
US4560921A (en) * 1984-06-15 1985-12-24 National Semiconductor Corporation Comparator circuit with built in reference
NL8502636A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
NL8502637A (nl) * 1985-03-06 1986-10-01 Philips Nv Beeldweergeefinrichting.
DE3602908A1 (de) * 1986-01-31 1987-08-06 Standard Elektrik Lorenz Ag Verstaerkerschaltung zur verstaerkung einer wechselspannung
DE3734946A1 (de) * 1987-10-15 1989-05-03 Siemens Ag Hoergeraet mit moeglichkeit zum telefonieren
JP3567559B2 (ja) * 1995-11-02 2004-09-22 ミツミ電機株式会社 増幅回路
US7573688B2 (en) * 2002-06-07 2009-08-11 Science Research Laboratory, Inc. Methods and systems for high current semiconductor diode junction protection
US7505493B1 (en) 2005-02-10 2009-03-17 Science Research Laboratory, Inc. Methods and systems for semiconductor diode junction protection
US7592825B1 (en) 2005-08-22 2009-09-22 Science Research Laboratory, Inc. Methods and systems for semiconductor diode junction screening and lifetime estimation
US7684960B1 (en) 2006-10-18 2010-03-23 Science Research Laboratory, Inc. Methods and systems for semiconductor diode junction protection
US11392158B2 (en) * 2020-11-02 2022-07-19 Texas Instruments Incorporated Low threshold voltage transistor bias circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548330A (en) * 1969-03-19 1970-12-15 Allen B Rosenstein Bipolar amplifier
NL161005C (nl) * 1969-10-13 1979-12-17 Philips Nv Versterkerschakeling.
JPS5345112B2 (it) * 1972-07-31 1978-12-04
US3863169A (en) * 1974-01-18 1975-01-28 Rca Corp Composite transistor circuit

Also Published As

Publication number Publication date
HK61878A (en) 1978-10-27
AT349529B (de) 1979-04-10
CH585991A5 (it) 1977-03-15
NL7410080A (nl) 1976-01-28
US3997849A (en) 1976-12-14
DE2531208C2 (de) 1982-10-21
GB1503238A (en) 1978-03-08
ATA569075A (de) 1978-09-15
JPS5810008B2 (ja) 1983-02-23
DK144138B (da) 1981-12-14
JPS5136858A (it) 1976-03-27
DK335175A (da) 1976-01-27
CA1033422A (en) 1978-06-20
DK144138C (da) 1982-05-17
FR2280245B1 (it) 1980-04-30
FR2280245A1 (fr) 1976-02-20
DE2531208A1 (de) 1976-02-05

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