AT243341B - Schaltungsanordnung zum Steuern der Verstärkung in Kaskade geschalteter Transistorverstärkerstufen - Google Patents

Schaltungsanordnung zum Steuern der Verstärkung in Kaskade geschalteter Transistorverstärkerstufen

Info

Publication number
AT243341B
AT243341B AT363564A AT363564A AT243341B AT 243341 B AT243341 B AT 243341B AT 363564 A AT363564 A AT 363564A AT 363564 A AT363564 A AT 363564A AT 243341 B AT243341 B AT 243341B
Authority
AT
Austria
Prior art keywords
gain
controlling
circuit arrangement
amplifier stages
transistor amplifier
Prior art date
Application number
AT363564A
Other languages
English (en)
Original Assignee
Philips Nv
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
Priority claimed from DEP31689A external-priority patent/DE1176718B/de
Priority claimed from DEP32278A external-priority patent/DE1186514B/de
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT243341B publication Critical patent/AT243341B/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop
    • 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
    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • 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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Television Receiver Circuits (AREA)
AT363564A 1963-04-27 1964-04-24 Schaltungsanordnung zum Steuern der Verstärkung in Kaskade geschalteter Transistorverstärkerstufen AT243341B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP31689A DE1176718B (de) 1963-04-27 1963-04-27 Schaltungsanordnung zum Steuern der Verstaerkung in Serie geschalteter Transistorverstaerkerstufen
DEP32278A DE1186514B (de) 1963-07-25 1963-07-25 Schaltungsanordnung zum Steuern der Verstaerkung in Serie geschalteter Transistorverstaerkerstufen

Publications (1)

Publication Number Publication Date
AT243341B true AT243341B (de) 1965-11-10

Family

ID=25990212

Family Applications (1)

Application Number Title Priority Date Filing Date
AT363564A AT243341B (de) 1963-04-27 1964-04-24 Schaltungsanordnung zum Steuern der Verstärkung in Kaskade geschalteter Transistorverstärkerstufen

Country Status (6)

Country Link
US (1) US3389222A (de)
AT (1) AT243341B (de)
DK (1) DK112958B (de)
GB (1) GB1051784A (de)
NL (1) NL6404373A (de)
SE (1) SE312583B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698681A (en) * 1985-09-11 1987-10-06 Zenith Electronics Corporation Dual intensity video circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112035C (de) * 1957-03-21 1965-11-15
US3115547A (en) * 1961-05-02 1963-12-24 Hazeltine Research Inc Transistor keyed automatic-gaincontrol apparatus
US3225139A (en) * 1963-02-26 1965-12-21 Motorola Inc Gated transistor a.g.c. in which gating causes base to collector conduction

Also Published As

Publication number Publication date
NL6404373A (de) 1964-10-28
GB1051784A (de)
DK112958B (da) 1969-02-03
SE312583B (de) 1969-07-21
US3389222A (en) 1968-06-18

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