GB1013452A - Transistor amplifier of variable gain - Google Patents

Transistor amplifier of variable gain

Info

Publication number
GB1013452A
GB1013452A GB4192/63A GB419263A GB1013452A GB 1013452 A GB1013452 A GB 1013452A GB 4192/63 A GB4192/63 A GB 4192/63A GB 419263 A GB419263 A GB 419263A GB 1013452 A GB1013452 A GB 1013452A
Authority
GB
United Kingdom
Prior art keywords
variable
bases
resistors
feb
transistors
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
GB4192/63A
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 GB1013452A publication Critical patent/GB1013452A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/42—Amplifiers with two or more amplifying elements having their DC paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
GB4192/63A 1962-02-03 1963-02-01 Transistor amplifier of variable gain Expired GB1013452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF35908A DE1136376B (de) 1962-02-03 1962-02-03 Schaltungsanordnung zur AEnderung der Verstaerkung einer Transistorstufe

Publications (1)

Publication Number Publication Date
GB1013452A true GB1013452A (en) 1965-12-15

Family

ID=7096216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4192/63A Expired GB1013452A (en) 1962-02-03 1963-02-01 Transistor amplifier of variable gain

Country Status (4)

Country Link
US (1) US3231827A (cg-RX-API-DMAC10.html)
DE (1) DE1136376B (cg-RX-API-DMAC10.html)
GB (1) GB1013452A (cg-RX-API-DMAC10.html)
NL (1) NL288461A (cg-RX-API-DMAC10.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305733A (en) * 1963-07-01 1967-02-21 Sperry Rand Corp Complementary symmetry differential pulse integrator
US3327237A (en) * 1963-07-08 1967-06-20 Honeywell Inc Current drive type transistorized servo-amplifier device
US3399277A (en) * 1965-05-14 1968-08-27 Radio Radio Corp Of America Signal translating circuit
DE1226649B (de) * 1965-08-21 1966-10-13 Te Ka De Fernmeldeapp G M B H Schaltungsanordnung zur automatischen Verstaerkungsregelung eines Transistor-Verstaerkers
US3440538A (en) * 1965-10-29 1969-04-22 Hewlett Packard Co Push-pull meter circuit for producing direct-current and alternating-current outputs proportional to applied alternating signal
US3400335A (en) * 1966-12-02 1968-09-03 Automatic Elect Lab Integratable gyrator using mos and bipolar transistors
DE102005017538B4 (de) * 2005-04-15 2010-10-07 Austriamicrosystems Ag Anordnung und Verfahren zur Temperaturkompensation eines Widerstands

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544211A (en) * 1949-05-18 1951-03-06 Rca Corp Variable impedance device
US2802069A (en) * 1954-09-07 1957-08-06 Bell Telephone Labor Inc Amplifier with high frequency compensation
US2955257A (en) * 1956-07-25 1960-10-04 Rca Corp Transistor class b signal amplifier circuit
US3032704A (en) * 1958-06-17 1962-05-01 Ibm Variable impedance network for automatic gain control circuit
US3002090A (en) * 1958-08-27 1961-09-26 Hazeltine Research Inc Automatic-gain-control system
SU135108A1 (ru) * 1960-05-28 1960-11-30 Е.Н. Исаков Операционный усилитель Исакова

Also Published As

Publication number Publication date
DE1136376B (de) 1962-09-13
NL288461A (cg-RX-API-DMAC10.html)
US3231827A (en) 1966-01-25

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