AT376078B - Schaltungsanordnung mit einem durch eine steuergleichspannung veraenderbaren frequenzgang - Google Patents

Schaltungsanordnung mit einem durch eine steuergleichspannung veraenderbaren frequenzgang

Info

Publication number
AT376078B
AT376078B AT898778A AT898778A AT376078B AT 376078 B AT376078 B AT 376078B AT 898778 A AT898778 A AT 898778A AT 898778 A AT898778 A AT 898778A AT 376078 B AT376078 B AT 376078B
Authority
AT
Austria
Prior art keywords
control voltage
circuit arrangement
frequency gear
changeable
gear changeable
Prior art date
Application number
AT898778A
Other languages
German (de)
English (en)
Other versions
ATA898778A (de
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
Publication of ATA898778A publication Critical patent/ATA898778A/de
Application granted granted Critical
Publication of AT376078B publication Critical patent/AT376078B/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/14—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
    • H03G9/16—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control incorporating negative feedback
AT898778A 1977-12-15 1978-12-15 Schaltungsanordnung mit einem durch eine steuergleichspannung veraenderbaren frequenzgang AT376078B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772755827 DE2755827A1 (de) 1977-12-15 1977-12-15 Schaltungsanordnung mit einem durch eine steuergleichspannung veraenderbaren frequenzgang

Publications (2)

Publication Number Publication Date
ATA898778A ATA898778A (de) 1984-02-15
AT376078B true AT376078B (de) 1984-10-10

Family

ID=6026151

Family Applications (1)

Application Number Title Priority Date Filing Date
AT898778A AT376078B (de) 1977-12-15 1978-12-15 Schaltungsanordnung mit einem durch eine steuergleichspannung veraenderbaren frequenzgang

Country Status (5)

Country Link
JP (1) JPS5489551A (cg-RX-API-DMAC7.html)
AT (1) AT376078B (cg-RX-API-DMAC7.html)
DE (1) DE2755827A1 (cg-RX-API-DMAC7.html)
FR (1) FR2412200A1 (cg-RX-API-DMAC7.html)
GB (1) GB2010616B (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465369A1 (fr) * 1979-09-13 1981-03-20 Thomson Csf Circuit melangeur et circuit de commande de volume et de tonalite de signal a frequence sonore utilisant un circuit melangeur
DE3007715A1 (de) 1980-02-29 1981-09-17 Philips Patentverwaltung Gmbh, 2000 Hamburg Verstaerkerschaltung mit durch eine steuerspannung steuerbarer gesamtverstaerkung
DE3026551A1 (de) * 1980-07-12 1982-02-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Verstaerkerschaltung
US4471320A (en) * 1981-05-27 1984-09-11 Frey Douglas R Voltage controlled element
US4528515A (en) * 1983-02-07 1985-07-09 Tektronix, Inc. High frequency differential amplifier with adjustable damping factor
US4563670A (en) * 1983-12-14 1986-01-07 Tektronix, Inc. High speed multiplying digital to analog converter
DE3575506D1 (de) * 1984-06-07 1990-02-22 Siemens Ag Differenzverstaerkerschaltung.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262089C3 (de) * 1972-12-19 1975-10-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller

Also Published As

Publication number Publication date
JPS5489551A (en) 1979-07-16
GB2010616B (en) 1982-04-21
FR2412200B1 (cg-RX-API-DMAC7.html) 1984-03-23
FR2412200A1 (fr) 1979-07-13
GB2010616A (en) 1979-06-27
ATA898778A (de) 1984-02-15
DE2755827A1 (de) 1979-06-21

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