DE68907671T2 - Tonfrequenzverstärker. - Google Patents

Tonfrequenzverstärker.

Info

Publication number
DE68907671T2
DE68907671T2 DE89308703T DE68907671T DE68907671T2 DE 68907671 T2 DE68907671 T2 DE 68907671T2 DE 89308703 T DE89308703 T DE 89308703T DE 68907671 T DE68907671 T DE 68907671T DE 68907671 T2 DE68907671 T2 DE 68907671T2
Authority
DE
Germany
Prior art keywords
audio frequency
frequency amplifier
amplifier
audio
frequency
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 - Fee Related
Application number
DE89308703T
Other languages
English (en)
Other versions
DE68907671D1 (de
Inventor
Loh Gee Heng
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.)
STMicroelectronics Pte Ltd
Original Assignee
SGS Thomson Microelectronics Pte Ltd
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 SGS Thomson Microelectronics Pte Ltd filed Critical SGS Thomson Microelectronics Pte Ltd
Publication of DE68907671D1 publication Critical patent/DE68907671D1/de
Application granted granted Critical
Publication of DE68907671T2 publication Critical patent/DE68907671T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03F3/45—Differential amplifiers
    • 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
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • 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
DE89308703T 1988-09-02 1989-08-29 Tonfrequenzverstärker. Expired - Fee Related DE68907671T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8820716A GB2222496B (en) 1988-09-02 1988-09-02 An audio amplifier

Publications (2)

Publication Number Publication Date
DE68907671D1 DE68907671D1 (de) 1993-08-26
DE68907671T2 true DE68907671T2 (de) 1993-10-28

Family

ID=10643042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89308703T Expired - Fee Related DE68907671T2 (de) 1988-09-02 1989-08-29 Tonfrequenzverstärker.

Country Status (5)

Country Link
EP (1) EP0357365B1 (de)
KR (1) KR910007241A (de)
DE (1) DE68907671T2 (de)
GB (1) GB2222496B (de)
SG (1) SG121192G (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2371696B (en) * 2001-01-02 2003-05-07 Eugueni Sergeyevich Alechine Differential amplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364662A (fr) * 1963-05-08 1964-06-26 Labo Cent Telecommunicat Perfectionnements aux amplificateurs différentiels
DE3144159A1 (de) * 1981-11-06 1983-05-19 Joachim Prof. Dipl.-Ing. 2120 Lüneburg Goerth Universelle verstaerkerschaltung
JPS59119909A (ja) * 1982-12-25 1984-07-11 Fujitsu Ltd 能動負荷回路
US4717838A (en) * 1986-11-14 1988-01-05 National Semiconductor Corporation High input impedance, high gain CMOS strobed comparator

Also Published As

Publication number Publication date
DE68907671D1 (de) 1993-08-26
KR910007241A (ko) 1991-04-30
EP0357365A2 (de) 1990-03-07
EP0357365B1 (de) 1993-07-21
GB2222496B (en) 1992-09-09
SG121192G (en) 1993-01-29
GB2222496A (en) 1990-03-07
EP0357365A3 (en) 1990-11-28
GB8820716D0 (en) 1988-10-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee