ZA72885B - Amplifier gain control for t.v.receivers - Google Patents

Amplifier gain control for t.v.receivers

Info

Publication number
ZA72885B
ZA72885B ZA720885A ZA72885A ZA72885B ZA 72885 B ZA72885 B ZA 72885B ZA 720885 A ZA720885 A ZA 720885A ZA 72885 A ZA72885 A ZA 72885A ZA 72885 B ZA72885 B ZA 72885B
Authority
ZA
South Africa
Prior art keywords
receivers
gain control
amplifier gain
amplifier
control
Prior art date
Application number
ZA720885A
Inventor
H Ulmer
W Kalmus
Original Assignee
Standard Telephones Cables 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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA72885B publication Critical patent/ZA72885B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
    • H04N11/186—Decoding means therefor
    • 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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
ZA720885A 1971-02-23 1972-02-11 Amplifier gain control for t.v.receivers ZA72885B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712108497 DE2108497A1 (en) 1971-02-23 1971-02-23 Gain control, especially for setting the color saturation of a SECAM receiver

Publications (1)

Publication Number Publication Date
ZA72885B true ZA72885B (en) 1972-10-25

Family

ID=5799541

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA720885A ZA72885B (en) 1971-02-23 1972-02-11 Amplifier gain control for t.v.receivers

Country Status (5)

Country Link
AU (1) AU470736B2 (en)
DE (1) DE2108497A1 (en)
FR (1) FR2126342B1 (en)
GB (1) GB1375284A (en)
ZA (1) ZA72885B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275362A (en) * 1979-03-16 1981-06-23 Rca Corporation Gain controlled amplifier using a pin diode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853870A (en) * 1957-04-17 1960-11-09 British Telecomm Res Ltd Improvements in or relating to amplifiers employing transistors
NZ157749A (en) * 1968-10-03

Also Published As

Publication number Publication date
GB1375284A (en) 1974-11-27
AU470736B2 (en) 1976-03-25
FR2126342B1 (en) 1975-10-24
AU3898372A (en) 1973-08-16
DE2108497A1 (en) 1972-09-07
FR2126342A1 (en) 1972-10-06

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