GB997110A - Circuit arrangement for varying amplitude of a signal - Google Patents

Circuit arrangement for varying amplitude of a signal

Info

Publication number
GB997110A
GB997110A GB5430/63A GB543063A GB997110A GB 997110 A GB997110 A GB 997110A GB 5430/63 A GB5430/63 A GB 5430/63A GB 543063 A GB543063 A GB 543063A GB 997110 A GB997110 A GB 997110A
Authority
GB
United Kingdom
Prior art keywords
signal
resistor
amplitude
voltage
transistor
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
GB5430/63A
Other languages
English (en)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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 Fernseh GmbH filed Critical Fernseh GmbH
Publication of GB997110A publication Critical patent/GB997110A/en
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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/02—Remote control of amplification, tone or bandwidth
    • 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
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
GB5430/63A 1962-02-10 1963-02-11 Circuit arrangement for varying amplitude of a signal Expired GB997110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0035993 1962-02-10

Publications (1)

Publication Number Publication Date
GB997110A true GB997110A (en) 1965-06-30

Family

ID=7096271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5430/63A Expired GB997110A (en) 1962-02-10 1963-02-11 Circuit arrangement for varying amplitude of a signal

Country Status (4)

Country Link
US (1) US3247463A (OSRAM)
DE (1) DE1249911B (OSRAM)
GB (1) GB997110A (OSRAM)
NL (1) NL288737A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3579114A (en) * 1967-08-21 1971-05-18 Hitachi Ltd Automatic gain control system radio receivers and the like
US3571721A (en) * 1968-05-01 1971-03-23 Motorola Inc Agc with variable capacity to bypass rf stage degenerative feedback

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR680840A (fr) * 1928-10-04 1930-05-06 Philips Nv Système de couplage permettant d'amplifier des oscillations électriques
US3079567A (en) * 1959-06-04 1963-02-26 Philips Corp Wideband transistor amplifier
US3117287A (en) * 1959-10-29 1964-01-07 Raytheon Co Transistor electronic attenuators
US3115601A (en) * 1960-01-05 1963-12-24 Texas Instruments Inc Balanced drive for semiconductor diode attenuator in automatic gain controlled amplifier

Also Published As

Publication number Publication date
US3247463A (en) 1966-04-19
NL288737A (OSRAM)
DE1249911B (OSRAM)

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