SE7906152L - Krets for automatisk forsterkningsreglering - Google Patents

Krets for automatisk forsterkningsreglering

Info

Publication number
SE7906152L
SE7906152L SE7906152A SE7906152A SE7906152L SE 7906152 L SE7906152 L SE 7906152L SE 7906152 A SE7906152 A SE 7906152A SE 7906152 A SE7906152 A SE 7906152A SE 7906152 L SE7906152 L SE 7906152L
Authority
SE
Sweden
Prior art keywords
input signal
transistor
detector
pair
amplifier
Prior art date
Application number
SE7906152A
Other languages
English (en)
Swedish (sv)
Other versions
SE439223B (sv
Inventor
K Tanaka
K Amazawa
Original Assignee
Clarion Co 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of SE7906152L publication Critical patent/SE7906152L/
Publication of SE439223B publication Critical patent/SE439223B/sv

Links

Classifications

    • 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
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
    • 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
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Networks Using Active Elements (AREA)
SE7906152A 1978-07-17 1979-07-17 Krets for automatisk forsterkningsreglering SE439223B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978098782U JPS5515857U ( ) 1978-07-17 1978-07-17

Publications (2)

Publication Number Publication Date
SE7906152L true SE7906152L (sv) 1980-01-18
SE439223B SE439223B (sv) 1985-06-03

Family

ID=14228929

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7906152A SE439223B (sv) 1978-07-17 1979-07-17 Krets for automatisk forsterkningsreglering

Country Status (7)

Country Link
US (1) US4300104A ( )
JP (1) JPS5515857U ( )
AU (1) AU527814B2 ( )
DE (1) DE2928859A1 ( )
GB (1) GB2025720B ( )
NL (1) NL7905539A ( )
SE (1) SE439223B ( )

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105688A (nl) * 1981-12-17 1983-07-18 Philips Nv Amplituderegelsysteem.
US4424494A (en) * 1981-12-17 1984-01-03 General Motors Corporation Automatic gain control circuit
JPS58121809A (ja) * 1982-01-14 1983-07-20 Toshiba Corp 増幅回路
IT1190872B (it) * 1982-06-17 1988-02-24 Sgs Microelettronica Spa Sistema di amplificazione audio con incremento della potenza media di ascolto
US4637066A (en) * 1985-07-02 1987-01-13 General Motors Corporation Noise blanking signal generator for AM radio
JPH0695741B2 (ja) * 1988-07-27 1994-11-24 三菱電機株式会社 自動利得制御回路
MY118209A (en) * 1997-09-26 2004-09-30 Motorola Solutions Inc Automatic voltage level control circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441748A (en) * 1965-03-22 1969-04-29 Rca Corp Bidirectional igfet with symmetrical linear resistance with specific substrate voltage control
DE1934306C3 (de) * 1969-07-07 1975-06-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Selbsttätig geregelter Wechselspannungsverstärker mit einer merklichen Zeitkonstante des Stellgliedes
US3750032A (en) * 1972-02-24 1973-07-31 Motorola Inc Priority channel scanning system with dual response time control
DE2610981C3 (de) * 1976-03-16 1979-03-22 Standard Elektrik Lorenz Ag, 7000 Stuttgart Funkempfanger mit einer Rauschsperre
GB1578374A (en) * 1976-11-08 1980-11-05 Clarion Co Ltd Noise reduction in audio reproducing systems

Also Published As

Publication number Publication date
AU4897379A (en) 1980-01-24
DE2928859C2 ( ) 1987-05-21
US4300104A (en) 1981-11-10
GB2025720A (en) 1980-01-23
NL7905539A (nl) 1980-01-21
GB2025720B (en) 1982-10-06
JPS5515857U ( ) 1980-01-31
AU527814B2 (en) 1983-03-24
SE439223B (sv) 1985-06-03
DE2928859A1 (de) 1980-02-14

Similar Documents

Publication Publication Date Title
CA1085004A (en) Amplifier with muting circuit
SE7906152L (sv) Krets for automatisk forsterkningsreglering
ATE112395T1 (de) Signalpegel-messanordnung mit offset- korrekturmitteln.
GB1281984A (en) Improvements in or relating to peak detection circuits
JPS5741267A (en) Circuit for detecting steering angle center of vehicle
DK0847621T3 (da) Meget følsom automatisk udgangseffektstyring
BR8107370A (pt) Circuito avaliador de sinais
KR840001008A (ko) 교류전압에 따라 직류제어 전압을 발생하는 회로
KR830007024A (ko) 텔레비젼 자동 이득 제어 시스템
JPS54103658A (en) Protective circuit
JPS57196639A (en) Level monitoring circuit for photoreceiver
SU542329A1 (ru) Устройство дл временной автоматической регулировки усилинени
US2904698A (en) Photocell actuated systems
JPS54128251A (en) Mute circuit
JPS56105389A (en) Potential difference detecting circuit
GB1369715A (en) Timing circuits
JPS5583312A (en) Agc circuit
JPS5265642A (en) Transistor circuit
JPS57164605A (en) Amplifier
KR830009703A (ko) 신호 신장기
JPS562767A (en) Impulsive noise eliminating circuit
JPS5574227A (en) Amplifying circuit of video intermediate frequency
JPS55150616A (en) Pulse width amplifying circuit
JPS5587957A (en) Voltage detection circuit
JPS57113772A (en) Detecting circuit for trouble of rectifying diode

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7906152-9

Effective date: 19940210

Format of ref document f/p: F