CH331070A - Amplifier with a transistor - Google Patents

Amplifier with a transistor

Info

Publication number
CH331070A
CH331070A CH331070DA CH331070A CH 331070 A CH331070 A CH 331070A CH 331070D A CH331070D A CH 331070DA CH 331070 A CH331070 A CH 331070A
Authority
CH
Switzerland
Prior art keywords
amplifier
transistor
Prior art date
Application number
Other languages
German (de)
Inventor
Marie Van Overbeek A Wilhelmus
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 CH331070A publication Critical patent/CH331070A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • 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
    • 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
    • H03G9/20—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers
    • H03G9/24—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having semiconductor devices
CH331070D 1954-05-11 1955-05-09 Amplifier with a transistor CH331070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL331070X 1954-05-11

Publications (1)

Publication Number Publication Date
CH331070A true CH331070A (en) 1958-06-30

Family

ID=19784372

Family Applications (1)

Application Number Title Priority Date Filing Date
CH331070D CH331070A (en) 1954-05-11 1955-05-09 Amplifier with a transistor

Country Status (5)

Country Link
BE (1) BE538059A (en)
CH (1) CH331070A (en)
DE (1) DE969352C (en)
GB (1) GB768987A (en)
NL (2) NL187486B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145236B (en) * 1958-12-15 1963-03-14 Telefunken Patent Circuit arrangement for the automatic gain control of high or intermediate frequency amplifiers with transistors above a threshold value
DE1267286B (en) * 1959-03-05 1968-05-02 Philips Nv Receive circuit with gain control
DE1204286B (en) * 1961-03-23 1965-11-04 Telefunken Patent Selective controllable transistor amplifier
DE2259675C2 (en) * 1972-12-06 1982-03-04 Robert Bosch Gmbh, 7000 Stuttgart High frequency amplifier

Also Published As

Publication number Publication date
DE969352C (en) 1958-05-22
NL187486B (en)
GB768987A (en) 1957-02-27
NL85795C (en)
BE538059A (en)

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