FR2287806A1 - Amplificateur a seuil a gain reglable - Google Patents

Amplificateur a seuil a gain reglable

Info

Publication number
FR2287806A1
FR2287806A1 FR7434087A FR7434087A FR2287806A1 FR 2287806 A1 FR2287806 A1 FR 2287806A1 FR 7434087 A FR7434087 A FR 7434087A FR 7434087 A FR7434087 A FR 7434087A FR 2287806 A1 FR2287806 A1 FR 2287806A1
Authority
FR
France
Prior art keywords
adjustable gain
gain threshold
threshold amplifier
amplifier
adjustable
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.)
Granted
Application number
FR7434087A
Other languages
English (en)
Other versions
FR2287806B1 (fr
Inventor
Guy Gerot
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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 Radiotechnique SA filed Critical Radiotechnique SA
Priority to FR7434087A priority Critical patent/FR2287806A1/fr
Publication of FR2287806A1 publication Critical patent/FR2287806A1/fr
Application granted granted Critical
Publication of FR2287806B1 publication Critical patent/FR2287806B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • 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 of the amplifier
    • 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 of the amplifier in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR7434087A 1974-10-10 1974-10-10 Amplificateur a seuil a gain reglable Granted FR2287806A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7434087A FR2287806A1 (fr) 1974-10-10 1974-10-10 Amplificateur a seuil a gain reglable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434087A FR2287806A1 (fr) 1974-10-10 1974-10-10 Amplificateur a seuil a gain reglable

Publications (2)

Publication Number Publication Date
FR2287806A1 true FR2287806A1 (fr) 1976-05-07
FR2287806B1 FR2287806B1 (fr) 1978-11-24

Family

ID=9143928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434087A Granted FR2287806A1 (fr) 1974-10-10 1974-10-10 Amplificateur a seuil a gain reglable

Country Status (1)

Country Link
FR (1) FR2287806A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514214A1 (fr) * 1981-10-02 1983-04-08 Sony Corp Circuit a gain variable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514214A1 (fr) * 1981-10-02 1983-04-08 Sony Corp Circuit a gain variable

Also Published As

Publication number Publication date
FR2287806B1 (fr) 1978-11-24

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Legal Events

Date Code Title Description
ST Notification of lapse