SE335156B - - Google Patents

Info

Publication number
SE335156B
SE335156B SE02086/68A SE208668A SE335156B SE 335156 B SE335156 B SE 335156B SE 02086/68 A SE02086/68 A SE 02086/68A SE 208668 A SE208668 A SE 208668A SE 335156 B SE335156 B SE 335156B
Authority
SE
Sweden
Prior art keywords
amplifier
signal
value
gain
output
Prior art date
Application number
SE02086/68A
Other languages
English (en)
Inventor
R Sundberg
Original Assignee
Lkb Produkter Ab
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 Lkb Produkter Ab filed Critical Lkb Produkter Ab
Priority to SE02086/68A priority Critical patent/SE335156B/xx
Priority to GB8272/69A priority patent/GB1261735A/en
Priority to FR6903605A priority patent/FR2002038A1/fr
Priority to DE1907619A priority patent/DE1907619C3/de
Priority to JP44010988A priority patent/JPS5032577B1/ja
Priority to US799807A priority patent/US3550029A/en
Publication of SE335156B publication Critical patent/SE335156B/xx

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
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/272—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Mathematical Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
SE02086/68A 1968-02-16 1968-02-16 SE335156B (et)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE02086/68A SE335156B (et) 1968-02-16 1968-02-16
GB8272/69A GB1261735A (en) 1968-02-16 1969-02-14 Feedback amplifier arrangements
FR6903605A FR2002038A1 (et) 1968-02-16 1969-02-14
DE1907619A DE1907619C3 (de) 1968-02-16 1969-02-15 Regeleinrichtung zur Regelung des Verstarkungsgrades einer gegenge koppelten Verstarkerstufe
JP44010988A JPS5032577B1 (et) 1968-02-16 1969-02-15
US799807A US3550029A (en) 1968-02-16 1969-02-17 Feedback amplifier arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE02086/68A SE335156B (et) 1968-02-16 1968-02-16

Publications (1)

Publication Number Publication Date
SE335156B true SE335156B (et) 1971-05-17

Family

ID=20259346

Family Applications (1)

Application Number Title Priority Date Filing Date
SE02086/68A SE335156B (et) 1968-02-16 1968-02-16

Country Status (6)

Country Link
US (1) US3550029A (et)
JP (1) JPS5032577B1 (et)
DE (1) DE1907619C3 (et)
FR (1) FR2002038A1 (et)
GB (1) GB1261735A (et)
SE (1) SE335156B (et)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641451A (en) * 1970-02-24 1972-02-08 Motorola Inc Amplifier protection circuit
DE2410407C3 (de) * 1974-03-05 1981-05-21 Fa. Ludwig Krohne, 4100 Duisburg Verfahren zur Kompensation der elektrochemischen Störgleichspannung bei der induktiven Durchflußmessung mit periodisch zwischen zwei Induktionswerten hin- und hergeschaltetem Gleichfeld
SE449545B (sv) * 1980-09-01 1987-05-04 Ericsson Telefon Ab L M Forfarande jemte anordning for att utoka dynamikomradet i ett ingangssteg
JP2733962B2 (ja) * 1988-06-17 1998-03-30 ソニー株式会社 利得制御増幅器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1009981A (en) * 1961-06-10 1965-11-17 Emi Ltd Improvements relating to feedback amplifiers
US3510793A (en) * 1964-02-26 1970-05-05 Int Standard Electric Corp Amplifier regulator employing an electrolytic variable resistance device

Also Published As

Publication number Publication date
US3550029A (en) 1970-12-22
DE1907619C3 (de) 1973-10-18
JPS5032577B1 (et) 1975-10-22
DE1907619B2 (de) 1973-03-22
DE1907619A1 (et) 1970-11-05
FR2002038A1 (et) 1969-10-03
GB1261735A (en) 1972-01-26

Similar Documents

Publication Publication Date Title
KR100190976B1 (en) High dynamic range closed loop automatic gain control system
GB1429724A (en) Dual wavelength photometer response circuit
SE335156B (et)
GB1530297A (en) Circuit arrangement for noise level suppression
JPS56104226A (en) Temperature measuring system using infrared ray
GB1284386A (en) Window trip monitor and comparator circuit
GB1241418A (en) Improvements in or relating to apparatus for measuring the value of an alternating electrical signal of any waveform
SU375753A1 (ru) Логарифмический усилитель
JPS5748812A (en) Amplifier
JPS56169443A (en) Detecting circuit for input signal interruption
JPS5471503A (en) Monitor system of photo reception level
JPS57196639A (en) Level monitoring circuit for photoreceiver
SU485368A1 (ru) Радиометрический дефектоскоп
JPS6427323A (en) Transmission equipment
JPS5539050A (en) Photoelectric detector
JPS5690225A (en) Photosensor circuit
JPS52117542A (en) High-frequency rectilinear amplifier
JPS54128251A (en) Mute circuit
JPS5791009A (en) Agc control circuit
JPS5515030A (en) Infrared spectrophotometer
JPS56148016A (en) Automatic gain controlling circuit for ultrasonic flowmeter
GB887267A (en) Improvements in or relating to control systems
JPS55114917A (en) Agc circuit
JPS56154812A (en) Level stabilizer
JPS5443670A (en) Peak voltage position detection system