ES391331A2 - Perfeccionamientos en circuitos de control automatico de ganancia. - Google Patents

Perfeccionamientos en circuitos de control automatico de ganancia.

Info

Publication number
ES391331A2
ES391331A2 ES391331A ES391331A ES391331A2 ES 391331 A2 ES391331 A2 ES 391331A2 ES 391331 A ES391331 A ES 391331A ES 391331 A ES391331 A ES 391331A ES 391331 A2 ES391331 A2 ES 391331A2
Authority
ES
Spain
Prior art keywords
transistor
source
emitter path
base
translation
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
Application number
ES391331A
Other languages
English (en)
Spanish (es)
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of ES391331A2 publication Critical patent/ES391331A2/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Control Of Amplification And Gain Control (AREA)
ES391331A 1970-05-19 1971-05-19 Perfeccionamientos en circuitos de control automatico de ganancia. Expired ES391331A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3884270A 1970-05-19 1970-05-19
US3901870A 1970-05-20 1970-05-20

Publications (1)

Publication Number Publication Date
ES391331A2 true ES391331A2 (es) 1974-05-01

Family

ID=26715579

Family Applications (1)

Application Number Title Priority Date Filing Date
ES391331A Expired ES391331A2 (es) 1970-05-19 1971-05-19 Perfeccionamientos en circuitos de control automatico de ganancia.

Country Status (4)

Country Link
JP (1) JPS5343769B1 (OSRAM)
ES (1) ES391331A2 (OSRAM)
FR (1) FR2090146B1 (OSRAM)
IT (1) IT986801B (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA950579A (en) * 1969-03-03 1974-07-02 Rca Corporation Automatic gain control circuit

Also Published As

Publication number Publication date
FR2090146B1 (OSRAM) 1975-02-21
JPS5343769B1 (OSRAM) 1978-11-22
FR2090146A1 (OSRAM) 1972-01-14
IT986801B (it) 1975-01-30

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